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IN THE COURT OF APPEALS OF THE STATE OF ALASKA
STATE OF ALASKA,
Court of Appeals Nos. A-11423 & A-11433
Petitioner & Cross-Respondent, Trial Court No. 3AN-09-11088 CR
v.
O P I N I O N
THOMAS HENRY ALEXANDER,
Respondent & Cross-Petitioner. No. 2481 - December 18, 2015
Petition for review from the Superior Court, Third Judicial
District, Anchorage, Gregory Miller, Judge.
Appearances: Diane L. Wendlandt, Assistant Attorney General,
Office of Special Prosecutions and Appeals, Anchorage, and
Michael C. Geraghty, Attorney General, Juneau, for the
Petitioner. Sharon Barr, Assistant Public Defender, and Quinlan
Steiner, Public Defender, Anchorage, for the Respondent.
Gordon L. Vaughan, Vaughan & DeMuro, Colorado Springs,
Colorado, for amicus curiae American Polygraph Association.
Before: Mannheimer, Chief Judge, Allard, Judge, and Hanley,
District Court Judge.*
Judge MANNHEIMER.
* Sitting by assignment made pursuant to Article IV, Section 16 of the Alaska
Constitution and Administrative Rule 24(d).
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The defendant in this case, Thomas Henry Alexander, is facing trial for
sexual abuse of a minor. The superior court has granted Alexander's motion to introduce
evidence that he took a polygraph examination, and that the polygraph examiner
concluded that there was a high likelihood that Alexander was being truthful when he
denied committing the alleged acts of abuse.
However, the superior court placed two conditions on the admission of this
polygraph evidence: First, Alexander must submit to another polygraph examination,
this one administered by a qualified expert of the State's choosing. And second,
Alexander must take the stand at his trial and submit to cross-examination.
Both parties now seek review of the superior court's decision. The State
asks us to reverse the superior court's decision that polygraph evidence is admissible.
Alexander asks us to vacate the two conditions that the superior court placed on the
admission of the polygraph evidence - that he submit to a State-administered polygraph
examination before trial, and that he take the stand at trial and submit to cross-
examination.
For the reasons explained in this opinion, we uphold the superior court's
rulings - although, as we also explain, we leave the superior court free to re-evaluate
its decision in light of the factual developments in this case since the time the superior
court issued that decision.
The procedural background of this litigation
Thomas Henry Alexander stands charged with several counts of sexual
abuse of a minor.
In preparation for trial, Alexander's defense attorney hired an expert,
Dr. David C. Raskin, to administer a polygraph examination to him. Based on the results
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of this examination, Dr. Raskin is prepared to testify that there is a high likelihood that
Alexander was being truthful when, during the examination, he denied committing the
acts of abuse.
Alexander's attorney filed a motion requesting an evidentiary hearing, so
that he might have the opportunity to establish that polygraph testing was based on
scientifically valid methodology, and that Alexander's polygraph result should therefore
be admissible at his trial. Alexander's attorney acknowledged that, forty-five years ago,
1 the Alaska Supreme Court announced a total ban on polygraph
in Pulakis v. State ,
evidence. But the defense attorney noted that Pulakis was decided under the Frye test
for the admissibility of scientific evidence - a test that was superseded when the Alaska
2
Supreme Court adopted the more flexible Daubert test for scientific evidence.
Alexander's attorney argued that, because Alaska now uses the Daubert
test, and because of significant improvements in polygraph science and practice in the
last forty years, polygraph evidence should now be admissible in the courts of Alaska.
While Alexander's case was being litigated, a similar argument for the
admission of polygraph evidence was being offered in another pending criminal case,
Griffith v. State, File No. 3SP-11-103 CR. The defendant in that case, James Griffith,
was also charged with sexual abuse of a minor, and his attorney also hired Dr. Raskin to
administer a polygraph examination to him. As with Alexander, Dr. Raskin concluded
that Griffith was being truthful when he denied the sexual abuse.
1 476 P.2d 474, 478-79 (Alaska 1970).
2 See Daubertv.MerrellDowPharmaceuticals,Inc.,509 U.S. 579;113 S.Ct.2786,125
L.Ed.2d 469 (1993) (announcing a new test for assessing the admissibility of scientific
evidence under the Federal Rules of Evidence); and State v. Coon, 974 P.2d 386, 395-98
(Alaska 1999) (adopting the Daubert test under the Alaska Rules of Evidence).
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The two judges who were assigned to Alexander's and Griffith's cases -
Superior Court Judge Gregory Miller and Superior Court Judge pro tempore Daniel
Schally - decided to hold a consolidated hearing to investigate whether polygraph
evidence met the Daubert standard for the admissibility of scientific evidence. At this
hearing, Dr. Raskin testified for the defendants, and another expert, Dr. William Iacono,
testified for the State. Both experts discussed the current standards and techniques for
polygraph examinations, and they offered differing opinions concerning the overall
reliability of polygraph results.
Dr. Raskin testified that if polygraph examinations are properly conducted
using the "control question" technique, one would "conservatively" expect polygraph
examinations to be 90 percent accurate (or more) in assessing truth-telling and lying.
More specifically, Dr. Raskin pointed to studies which apparently demonstrated that the
accuracy rate of polygraph examinations was between 89 and 98 percent.
In contrast, Dr. Iacono testified that the better-conducted studies of
polygraph examinations showed that these examinations had accuracy rates of between
51 percent (essentially, a coin flip) and 98 percent, with average results being about 70
percent accurate.
Following this hearing, the two superior court judges issued a joint decision
in which they held that "control question" polygraph evidence met the Daubert test, and
that Alexander and Griffith were conditionally entitled to introduce evidence of their
polygraph results. The two conditions that the judges placed on this evidence were:
(1) that each defendant would be required to submit to an additional polygraph
examination, this one administered by a qualified examiner of the State's choosing, and
(2) that each defendant would be required to testify at trial and submit to cross-
examination.
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Following this ruling, the State petitioned us to review and reverse the
superior court's holding that polygraph evidence meets the Daubert standard for
scientific evidence. The two defendants, Alexander and Griffith, filed cross-petitions
asking us to vacate the two conditions that the superior court placed on the admission of
their polygraph evidence. We granted the State's petition and the defendants' cross-
petitions, and we ordered formal briefing.
But while this case was still in its briefing stage, Griffith took a State-
administered polygraph examination - and he apparently failed the exam. Griffith then
pleaded guilty, and he withdrew his cross-petition. This leaves Alexander as the only
defendant in this case.
The legal background of this litigation: the Daubert test that governs the
admissibility of scientific evidence
For most of the twentieth century, the admissibility of scientific evidence
in American courts was governed by the "general scientific acceptance" test that was first
announced in Frye v. United States, 293 F. 1013 (D.C. Cir. 1923). Frye was, in fact,
another lie detector case - although the testing machine at issue in Frye was a less
sophisticated precursor of the modern polygraph; it was a machine that only measured
a person's systolic blood pressure.
The Frye court declared that scientific evidence would be admissible only
when it was adduced "from a well-recognized scientific principle or discovery" - which
the court defined as a principle or discovery "sufficiently established [as] to have gained
general acceptance in the particular field in which it belongs." Id. at 1014.
Applying this "general acceptance" test, the Frye court concluded that lie
detector evidence was not admissible because it had "not yet gained [this level of]
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----------------------- Page 6-----------------------
standing and scientific recognition among physiological and psychological authorities."
Ibid.
Close to fifty years later, in Pulakis v. State , 476 P.2d 474 (Alaska 1970),
the Alaska Supreme Court applied the Frye test to polygraph evidence and concluded
that this type of evidence was still not admissible, because the polygraph still had not
gained general scientific acceptance as a reliable method of assessing a person's
truthfulness. The supreme court emphasized that its ruling was not based on an
affirmative finding that polygraph testing was in fact unreliable. Rather, the court
explained, the proponent of the polygraph evidence had failed to offer sufficient proof
that the polygraph was generally accepted as reliable within the relevant scientific
community. Id. at 479. Thus, the court declared, "[j]udicial acceptance of polygraph
tests must await the results of more persuasive experimental proof of reliability." Ibid.
But in 1993, the United States Supreme Court abandoned the Frye test. In
Daubert v. Merrell Dow Pharmaceuticals, Inc. , 509 U.S. 579, 113 S.Ct. 2786, 125
L.Ed.2d 469 (1993), the Supreme Court ruled that the Federal Rules of Evidence
embodied a new test for scientific evidence that superseded Frye.
Under the Daubert test, the question is no longer whether the scientific
community has reached a consensus regarding the validity of a scientific discovery or
technique. Instead, the inquiry now focuses on whether the proposed scientific evidence
(1) is based on "reasoning or methodology [that] is scientifically valid", and (2) "whether
that reasoning or methodology properly can be applied to the facts in issue." 509 U.S.
at 592-93, 113 S.Ct. at 2796.
The Supreme Court offered a non-exhaustive list of factors that courts
should consider when answering these foundational questions. One of these factors is
the old Frye test - whether the proposed scientific theory or technique has attained
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----------------------- Page 7-----------------------
general acceptance in the relevant scientific community. The other factors listed by the
Court are:
* whether the proposed scientific theory or technique has been (or at least
can be) empirically tested - that is, whether the theory or technique is
falsifiable and refutable;
* whether the proposed scientific theory or technique has been subjected to peer
review and publication; and
* whether the known or potential error rate of the proposed theory or technique
is within acceptable limits, and whether there are recognized standards and
protocols to control variations in the application of the technique.
509 U.S. at 593-94, 113 S.Ct. at 2796-97. The Supreme Court emphasized that any
inquiry under this test should be a "flexible one" whose basic purpose is to ascertain the
"scientific validity - and thus the evidentiary relevance and reliability - of the
principles that underlie the proposed [scientific evidence]." 509 U.S. at 594-95, 113
S.Ct. at 2797. The Daubert test focuses "on [the] principles and methodology"
underlying the proposed scientific evidence, 509 U.S. at 595, 113 S.Ct. at 2797, and on
whether the expert's conclusions have a sufficient analytical nexus to those underlying
principles and methodology. General Electric Co. v. Joiner , 522 U.S. 136, 146; 118
S.Ct. 512, 519; 139 L.Ed.2d 508 (1997).
The Alaska Supreme Court has adopted the Daubert test as the governing
test for the admissibility of scientific evidence under Alaska law. State v. Coon , 974
P.2d 386, 395-98 (Alaska 1999).
(Our supreme court has rejected the Daubert test as the standard for
admitting other types of expert evidence: see Marron v. Stromstad , 123 P.3d 992, 1004
(Alaska 2005). But the parties to the present case agree - and we concur - that
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----------------------- Page 8-----------------------
polygraph evidence is a type of "scientific" evidence governed by the Daubert test under
Alaska law.)
The superior court's ruling on whether the "control question" technique
of polygraph examination meets the Daubert standard for admissibility
As we explained toward the beginning of this opinion, Alexander's attorney
hired Dr. David Raskin to administer a polygraph examination to Alexander using the
"control question" technique (also known as the "comparison question" technique).
This was apparently Alexander's second polygraph test. According to
pleadings filed by the defense, Alexander also passed an earlier test administered by a
polygraph examiner who often worked as an independent contractor for the Department
of Corrections (but who, in this case, was working privately for Alexander's attorney).
But when this earlier examiner was unwilling to turn over the raw data from the
examination, the defense retained Dr. Raskin.
Dr. Raskin asserted (based on the results of his examination) that, in his
"scientific and professional opinion", Alexander was speaking truthfully when he denied
the allegations of sexual abuse. Dr. Raskin added that "[his] confidence in these
conclusions exceeds 90 percent", and he declared that he holds this opinion "to a
reasonable degree of scientific certainty."
Dr. Raskin made similar assertions with respect to his testing of James
Griffith - i.e., that there was a greater than 90 percent certainty that Griffith was
speaking truthfully when he denied committing the charged sexual abuse.
The superior court heard the competing testimony of Dr. William Iacono,
who declared that polygraph examinations, even when properly run, do not yield this
level of certainty.
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The court also heard extensive evidence pertaining to the practice and
scientific validity of the "control question" polygraph examination technique - the
technique used by Dr. Raskin when he examined Alexander and Griffith.
The theory behind the "control question" form of polygraph testing is that
a person's physiological reactions to "relevant" questions - questions that relate directly
to the alleged crime - will differ from their reactions to deliberately vague or open-
ended "control" questions. These control questions are formulated so that they raise
ethical issues that pose difficulties for most people - questions such as, "Have you ever
stolen something of significant value?" or "Have you ever lied to gain a personal
advantage?"
The theory or assumption behind this technique is that an innocent person
will have greater emotional difficulty answering this sort of "control" question - and
will therefore demonstrate more pronounced physiological reactions when answering
these control questions - compared to the straightforward, honest denials that an
innocent person will be able to offer when answering direct questions about the facts of
the alleged crime. Conversely, the theory goes, a guilty person's physiological reactions
will be more pronounced when they are called on to answer questions about the alleged
crime, while their reactions will be more subdued (in comparison) when they are
3
answering the control questions.
With respect to the scientific validity of polygraph examination in general,
Dr. Raskin and Dr. Iacono agreed on the validity of the basic scientific theory that
underlies all polygraph testing: the theory that most people will normally exhibit physio-
logical reactions when they say things that they believe to be false. The two experts also
3 See William G. Iacono and David T. Lykken, "The Case Against Polygraph Tests",
in Modern Scientific Evidence: The Law and Science of Expert Testimony (David Faigman
et alia , editors, 2009), pp. 342, 344-46.
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----------------------- Page 10-----------------------
agreed that modern polygraph machines are capable of detecting and accurately
measuring some of these physiological responses.
But the two experts vigorously disagreed as to whether it was possible to
accurately discern, from the physiological data collected during a polygraph examina-
tion, whether a person was being truthful in their answers during the exam. As we
explained earlier, Dr. Raskin put the accuracy rate of a well-conducted polygraph
examination at somewhere between 89 and 98 percent, while Dr. Iacono testified that the
accuracy rate was considerably lower - somewhere close to 70 percent, on average.
The two experts also disagreed concerning the degree to which a person's
physiological responses (and, thus, the test results) can be influenced by the manner in
which the examiner phrases the questions, and by the manner in which the examiner
personally interacts with the person who is taking the test.
Dr. Raskin and Dr. Iacono also debated whether there was a reliable,
standardized method of evaluating or "scoring" polygraph results - or whether, instead,
the outcome of a polygraph examination depended to an unacceptable degree on the
examiner's method of scoring the results.
Finally, Dr. Raskin and Dr. Iacono disagreed on the extent to which the
accuracy of polygraph testing could be undermined if test-takers employed counter-
measures to mask their physiological responses to the questions - for instance, by
surreptitiously biting their tongue, or by mentally performing difficult mathematical
calculations while they were taking the exam.
After hearingthis evidence, Judge Miller and Judge Schally both concluded
that polygraph evidence qualified for admission under the Daubert test.
The two judges found that the "control question" form of polygraph
examination had been empirically tested and subjected to extensive peer review, as
demonstrated by the various studies published in professional journals.
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----------------------- Page 11-----------------------
The judges acknowledged that expert opinion was substantially divided on
the issues of whether the "control question" technique of polygraph examination yielded
an acceptable accuracy rate, and whether there were recognized standards and protocols
that could control the variations among examination techniques and practitioners.
The judges pointed out that Dr. Raskin and Dr. Iacono disagreed as to the
achievable accuracy rate of a properly conducted "control question" polygraph
examination - with Dr. Raskin putting the expectable accuracy rate at 89 to 98 percent,
while Dr. Iacono declared that the accuracy rate was significantly lower: on average,
close to 70 percent.
However, the judges concluded that even if Dr. Iacono's figures were closer
to the truth, the accuracy rate for the "control question" form of polygraph examination
was still in line with the accuracy rates of other commonly admitted forms of scientific
evidence - evidence such as fingerprint analysis, handwriting analysis, and eyewitness
4
testimony.
Moreover, both Dr. Raskin and Dr. Iacono agreed that, to the extent
"control question" polygraph examinations yield inaccurate results, the inaccurate result
was more likely to be a false positive than a false negative. That is, a "control question"
polygraph examination is more likely to falsely indicate that a truthful person is being
deceptive, rather than falsely indicating that a deceptive person is being truthful. Thus,
4 The court cited one study establishing that fingerprint evidence was 100% accurate,
polygraph testing 95% accurate, handwriting analysis 94% accurate, and eyewitness
testimony 64% accurate. See Jan Widacki & Frank Horvath, An Experimental Investigation
of the Relative Validity and Utility of the Polygraph Technique and Three Other Common
Methods of Criminal Identification , 23 J. Forensic Sciences 596, 596-600 (1978). See also
United States v.Scheffer ,523 U.S. 303, 334 n. 24 (1998) (Stevens, J., dissenting) (discussing
this study). The superior court acknowledged, however, that Dr. Iacono had estimated
polygraph accuracy rates to be considerably lower, 51-98%, with an average of 70%.
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a polygraph examination was more likely to falsely inculpate an innocent person than to
falsely exculpate a guilty person.
As to whether there are recognized standards and protocols to ensure an
acceptable level of uniformity in the administration of polygraph examinations, the
judges noted that there are published protocols and training criteria for polygraph
examiners, including those used by the FBI, the National Security Council, and other
agencies. (The judges also found that Dr. Raskin had followed established protocols
when he administered his polygraph examination to Alexander.)
In their decision, the judges discussed the problem of the "friendly
examiner" - i.e., the recognized problem that a person's physiological responses during
the test can be different, or can be interpreted differently, if the examination is
administered by an expert who has been retained by the person being tested.
The judges concluded that this problem remained unresolved with respect
to Griffith, but the judges mistakenly concluded that there was no "friendly examiner"
problem with respect to Alexander - because the judges believed (falsely) that
Alexander had already submitted to a polygraph examination administered by an expert
employed by the State. In fact, as we already explained, Alexander had taken another
polygraph examination that was administered by someone who often worked as a
contractor for the Department of Corrections - but, in Alexander's case, this polygraph
examiner was hired by Alexander's attorney.
On the issue of counter-measures - i.e., strategies that a person can use to
mask their physiological responses during the test - the judges acknowledged that
Dr. Raskin's own study showed that the accuracy rate of a polygraph examination can
be reduced by as much as 50 percent if the person taking the test is trained in the use of
counter-measures. The judges also noted the State's claim that a person can be
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effectively trained in the use of counter-measures in less than half an hour, based on
information that is readily available on the Internet.
However, the judges concluded that the efficacy of counter-measures must
be overblown, given that so many state and federal government agencies (including
agencies of the State of Alaska) spend substantial amounts of money each year on
5
polygraph testing.
In any event, the two judges ultimately concluded that the potential use of
counter-measures went to the weight of polygraph results, not to the admissibility of
those results under the Daubert standard. The judges also concluded that if the issue of
counter-measures was raised in a particular case, the trial judge could address this issue
by evaluating the evidence under Alaska Evidence Rule 403 - to see if the possibility
5 In their decision, the judges mentioned a letter which stated that, as of 1997, the
federal government employed 500 polygraph examiners and spent approximately $25 million
a year on examiner salaries. See also Kenneth S. Broun et alia , McCormick On Evidence
(7th ed. 2013), § 206, Vol. 1, p. 1205 & n. 34 (noting the "explosive growth of polygraphy
in American government and business").
Although government reliance on polygraph examinations may be widespread, we
note that the federal government has criminally prosecuted people for teaching other people
how to use polygraph counter-measures. See "Indiana man accused of teaching people to
beat lie detector tests faces prison time", an article that appeared in the Washington Post on
August 31, 2013. This article can be found at:
http://www.washingtonpost.com/local/indiana-man-accused-of-teaching-people-to-be
at-lie-detector-tests-faces-prison-time/2013/08/31/a7cbe74a-08ea-11e3-9941-6711ed6
62e71_story.html
The fact that the federal government has actively pursued criminal prosecutions
against people who offer to train others in these counter-measures suggests that the federal
government knows - or at least believes - that the available polygraph counter-measures
are effective.
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of counter-measures outweighed the purported probative value of the polygraph evidence
under the facts of that specific case.
Regarding the remaining Daubert factor - whether polygraph examination
has attained general acceptance in the relevant scientific community - the judges
concluded that Alexander had failed to establish this factor. However, given their
findings on the other Daubert factors, the judges concluded that this lack of general
scientific acceptance was not fatal to the admission of polygraph evidence.
In sum, the two judges ruled that the "control question" form of polygraph
examination satisfied the threshold requirement for admissibility under the Daubert test.
That is, the judges ruled (1) that this evidence is based on scientifically valid reasoning
and methodology, and (2) that this reasoning and methodology could properly be applied
to the facts of Alexander's case.
However, as we have already explained, the judges placed two restrictions
on a defendant's ability to introduce this evidence: the defendant must submit to an
independent polygraph examination administered by an expert chosen by the State, and
the defendant must take the stand at trial and submit to cross-examination.
The standard of review that applies to our assessment of the superior
court's decision
Under the former Frye test, when an appellate court answered the question
of whether a particular type of scientific analysis or methodology had gained general
acceptance within the relevant scientific community, the appellate court's answer was
treated as authoritative until a later litigant succeeded in demonstrating that the scientific
community's attitude toward the evidence had changed.
See Van Meter v. State , 743 P.2d 385, 387-88 (Alaska App. 1987), where
this Court upheld a trial judge's refusal to hold an evidentiary hearing on the
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----------------------- Page 15-----------------------
admissibility of polygraph evidence: we reached this conclusion because the defendant
made no offer of proof that the scientific community's attitude toward polygraph testing
had changed since the Alaska Supreme Court decided Pulakis. See also Nelson v. Jones ,
781 P.2d 964, 968 & n. 5 (Alaska 1989) (declaring that "legal authority from other
jurisdictions" was a proper source of information for assessing the admissibility of
scientific evidence under the Frye test).
But under Daubert, every trial judge's decision regarding the admissibility
of a particular form of scientific evidence is reviewed for abuse of discretion. See
General Electric Co. v. Joiner , 522 U.S. 136, 146; 118 S.Ct. 512, 519; 139 L.Ed.2d 508
(1997). The Alaska Supreme Court has likewise declared that, under Alaska law,
appellate courts must employ the "abuse of discretion" standard of review when they
review trial judges' rulings on the admissibility of scientific evidence. Coon, 974 P.2d
at 398-99.
A "standard of review" is the legal rule that specifies how much deference
an appellate court must give to a decision made by a lower
6 And the "abuse of discretion" standard of review is quite deferential: under this
court.
standard, an appellate court is authorized to reverse a trial judge's decision only if the
trial judge's reasons for reaching that decision "are clearly untenable and
unreasonable". 7
Although we are bound by the supreme court's decision on this point of
law, the facts of the present case illustrate the problems that can be created by applying
an "abuse of discretion" standard of review to rulings on the admissibility of scientific
evidence.
6 Booth v. State , 251 P.3d 369, 372 (Alaska App. 2011).
7 Sylvia L. v. Office ofChildren's Services,343 P.3d425,430-31 (Alaska2015);Bailey
v. Lenord , 625 P.2d 849, 854 (Alaska 1981).
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As we explained earlier, the present case originally involved two defendants
(Alexander and Griffith), and the superior court decision that we are reviewing was
issued jointly by two judges - two judges who held a combined evidentiary hearing,
and who heard exactly the same testimony concerning the scientific validity and
reliability of "control question" polygraph examinations.
As it happened, these two judges reached the same conclusion regarding
the scientific validity of polygraph examinations. But, as illustrated by the competing
testimony offered by Dr. Raskin and Dr. Iacono, this is clearly a matter on which
reasonable people can differ - and on which they do differ.
Thus, the two judges in this case might easily have reached differing
conclusions regarding the scientific validity of polygraph examinations, even though
they heard exactly the same evidence. And if the two judges had reached different
conclusions, we apparently would have been required to affirm both of the conflicting
decisions under the "abuse of discretion" standard of review.
That is, we would have been forced to tell Alexander and Griffith that one
of them would be allowed to introduce the results of Dr. Raskin's polygraph
examination, while the other one would be prohibited from doing so - and that the only
reason their cases were being treated differently was the identity and viewpoint of the
judge making the decision.
This result seems illogical and unfair - and in her partial dissent in Coon,
Justice Dana Fabe advocated another approach to this problem.
As Justice Fabe pointed out, there are two prongs to the Daubert test. The
first prong is "whether the reasoning or methodology underlying the [proposed expert]
testimony is scientifically valid", while the second prong is "whether that reasoning or
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----------------------- Page 17-----------------------
methodology properly can be applied to the facts in issue [in the particular case]." Coon,
8
974 P.2d at 403.
Justice Fabe proposed that different standards of review should apply to
these two prongs: an appellate court would not defer to a trial court's decision regarding
the scientific validity of the principles and methodology involved (i.e., the appellate court
would decide this matter de novo), but the appellate court would defer (using an
"abuse of discretion" standard) to the trial court's decision as to whether the proposed
scientific theory or technique could properly be applied to the facts of the particular case.
Ibid.
As Justice Fabe noted, "[t]he determination of whether a general scientific
proposition or process is reliable should not vary from case to case or from judge to
judge." Ibid. The Coon majority apparently agreed with this proposition - because the
majority opinion also declared that "[t]he abstract validity of a scientific technique
9
should not vary from court to court". Coon, 974 P.2d at 399.
But the Coon majority nevertheless rejected the notion that we should have
one uniform rule of decision regarding the validity of particular scientific theories or
principles. The majority offered two rationales for this conclusion - i.e., for its
endorsement of allowing inconsistent trial court rulings on the same issue.
The majority's first rationale was that the level of advocacy will vary from
case to case:
[While the] abstract validity of a scientific technique should
not vary from court to court, ... [the manner in which this]
validity is communicated will often vary from presentation to
presentation. Some experts are more skillful and more
8 Quoting Daubert , 509 U.S. at 593-94, 113 S.Ct. at 2796-97.
9
Quoting State v. Alberico, 861 P.2d 192, 205 (N.M. 1993).
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----------------------- Page 18-----------------------
well-informed than others[,] just as some lawyers are more
skillful and more well-prepared than others.
Coon, 974 P.2d at 399. 10
The majority's observation is undoubtedly true: expert witnesses have
varying degrees of knowledge, insight, and articulateness - just like the lawyers who
offer the experts' testimony, or the lawyers who cross-examine them. But one of the
main goals of our judicial system is to have the law apply equally to all people. And the
point of having rules is to try to ensure that the outcome of litigation does not wholly
turn on which side has the better expert witness or the better lawyer.
The majority's second rationale for endorsinginconsistent trialcourt rulings
is that "the state of science is not constant; it progresses daily." Ibid. But this is an over-
statement. While it may be true that scientific knowledge "progresses daily", the pace
of change is far less rapid when it comes to the validity of underlying scientific theories
and methodology.
Moreover, appellate courts have always acknowledged the potential for
fundamental change in scientific understanding, even when those courts were issuing
rulings of general applicability under the Frye test. For instance, when the Alaska
Supreme Court ruled in Pulakis that polygraph evidence was not admissible in Alaska,
the supreme court was careful to emphasize that it was not saying that polygraph
evidence could never be admitted in Alaska, but only that "[j]udicial acceptance of
polygraph tests must await the results of more persuasive experimental proof of [their]
reliability." 11
10 Quoting State v. Alberico , 861 P.2d 192, 205 (N.M. 1993).
11
Pulakis , 476 P.2d at 479.
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As things stand now - that is, under the "abuse of discretion" standard of
review mandated by Coon - our decision in the present case will not resolve the
question of whether polygraph testing has sufficient scientific validity to be admissible
in the courts of Alaska. Even though we are affirming the superior court's ruling in
Alexander's case, our decision only stands for one narrow proposition: that given the
evidence presented at the pre-trial hearing in this particular case, it was not clearly
unreasonable for the judge to conclude that polygraph testing had sufficient scientific
validity to satisfy the Daubert test.
Our decision does not bind judges who face this issue in future cases -
even if those judges are presented with exactly the same evidence that was presented in
this case. Indeed, if those judges were to reach the opposite conclusion ( i.e., if they were
to decide that polygraph evidence does not satisfy the Daubert test), we would probably
be required to affirm their decisions too.
This essentially means that the scientific validity of polygraph evidence will
never be judicially resolved at an appellate level: it will remain an open question, and
it will need to be litigated anew each time the issue is raised.
(See Goeb v. Tharaldson , 615 N.W.2d 800, 814 (Minn. 2000), where the
Minnesota Supreme Court points to this problem as one of the principal defects in the
Daubert rule.)
For all of these reasons, we urge the Alaska Supreme Court to revisit this
issue - and to adopt the approach advocated in Justice Fabe's partial dissent in Coon.
Why we affirm the superior court's rulings
Under the Daubert test, when a litigant offers scientific evidence, a trial
judge must answer two questions: (1) whether the reasoning or methodology underlying
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the proposed evidence is scientifically valid, and (2) whether this reasoning or
methodology can properly be applied to the issues raised in the particular case.
In the present case, the superior court had to answer these two questions
with specific regard to the "control question" form of polygraph examinations. The court
answered the first question "yes" - finding that the reasoning or methodology
underlying the "control question" form of polygraph examination was scientifically
valid. The court answered the second question with a conditional "yes" - finding that
the reasoning or methodology of the "control question" form of polygraph examination
could properly be applied to the factual issues raised in Alexander's case if the defendant
submitted to a State-administered polygraph examination before trial, and also submitted
to cross-examination at trial.
The scientific validity of the reasoning or methodology underlying
the "control question" form of polygraph examination
With regard to the scientific validity of the "control question" form of
polygraph examination, we have already described the evidence presented to the superior
court. There is little dispute that most people will normally exhibit physiological
reactions when they say things that they believe to be false. There is also little dispute
that modern polygraph machines are capable of detecting and accurately measuring some
of these physiological responses. The real issue is whether the "control question"
technique is a valid method of eliciting physiological responses that can be meaningfully
compared and analyzed to distinguish (1) people who believe they are telling the truth
from (2) people who believe they are lying.
(To clarify, a person's physiological responses do not show whether the
person is giving answers that are actually true, or that are actually false. Rather, the
theory behind polygraph examinations is that the person's physiological responses reveal
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the person's state of mind - the person's belief as to whether their answers are true or
false.)
The evidence was conflicting as to whether the physiological responses
elicited by a "control question" polygraph examination can be meaningfully compared
and analyzed to distinguish (1) people who believe they are telling the truth from
(2) people who believe they are lying. As we have explained, Dr. Raskin and Dr. Iacono
offered competing assessments of the accuracy of the "control question" technique. Dr.
Raskin testified that the accuracy rate could be as high as 98 percent, while Dr. Iacono
testified that the accuracy rate could be as low as 51 percent ( i.e., no more accurate than
chance).
Thus, if we are scrupulous in applying the "abuse of discretion" standard
of review to the superior court's resolution of this issue, it is obvious that we would have
to affirm the superior court's answer regardless of whether that answer was "yes" or
"no". Reasonable judges could differ as to whether the evidence in this case established
the first prong of the Daubert test. That being so, we hold that the superior court did not
abuse its discretion when, in the present case, it ruled that the first prongwas established.
(Nor would the court have abused its discretion if it had ruled the opposite.)
Whether the "control question" form of polygraph examination can
properly be applied to the resolution of the factual issues in this
case
This brings us to the second prong of Daubert - whether "control
question" polygraph evidence can properly be applied to the resolution of the issues that
the jury will have to decide at Alexander's trial.
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This second question is significantly more complex than the first. The fact
that particular scientific evidence passes the Daubert test for scientific validity does not
mean that the evidence can or should be admitted in judicial proceedings.
Here, the superior court was required to consider not only the reliability and
accuracy rates of "control question" polygraph results, but also the potential that jurors
would be confused by the polygraph evidence, or would misunderstand its significance,
or would use the polygraph evidence for improper purposes, or would otherwise be led
astray by this evidence. That is, the judge was required not only to assess the scientific
validity of this evidence, but also to assess the evidence under Evidence Rule 403 and
Evidence Rule 705(c).
Indeed, the great majority of appellate courts who employ the Daubert test
for scientific evidence have ruled that, despite its arguable scientific validity, polygraph
evidence is inherently so prejudicial to the fairness of a criminal trial that it is not
12
admissible, or that it is admissible only upon the express stipulation of the parties.
These appellate courts have essentially ruled that, given the difficulties presented by
polygraph evidence, it is always an abuse of discretion for a trial judge to admit this
evidence (or, in some jurisdictions, to admit this evidence without the express stipulation
of the parties).
12 In general, see the appellate decisions listed in State v. A.O. , 965 A.2d 152, 161-62
(N.J. 2009). In A.O. , the New Jersey Supreme Court noted that twenty-eight states
completely ban polygraph evidence, while another eighteen states allow the admission of
polygraph evidence only if both parties stipulate to its use. See also State v. Porter , 698 A.2d
739, 758-59 (Conn. 1997) (continuing to ban polygraph evidence even after Connecticut's
adoption of the Daubert test); Fagan v.State , 894 So.2d 576, 580 (Miss. 2004) (holding that,
even under the Daubert test, polygraph results continue to be inadmissible); United States
v. Prince-Oyibo , 320 F.3d 494, 501 (4th Cir. 2003) (same).
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We also note that, even though polygraph evidence might satisfy the
Daubert test for scientific validity, jurisdictions may nonetheless enact statutes or
evidentiary rules that prohibit the use of this evidence.
In UnitedStates v. Scheffer , 523 U.S. 303, 118 S.Ct. 1261, 140 L.Ed.2d 413
(1998), the United States Supreme Court upheld a military rule of evidence that
categorically excluded polygraph evidence in court-martial proceedings. The Court
concluded that, given the current lack of consensus regarding the reliability of polygraph
results, a categorical exclusion of polygraph evidence was a "rational and proportional
means of advancing the legitimate interest in barring unreliable evidence":
Although the degree of reliability of polygraph evidence may
depend upon a variety of identifiable factors, there is simply
no way to know in a particular case whether a polygraph
examiner's conclusion is accurate, because certain doubts and
uncertainties plague even the best polygraph exams.
Individual jurisdictions therefore may reasonably reach
differing conclusions as to whether polygraph evidence
should be admitted. We cannot say, then, that presented with
such widespread uncertainty, the President acted arbitrarily
or disproportionately in promulgating a per se rule excluding
all polygraph evidence.
Id. , 523 U.S. at 312, 118 S.Ct. at 1266. The Court further concluded that this categorical
exclusion of polygraph evidence did not abridge an accused's constitutional right to
present a defense. Id. , 523 U.S. at 315-17, 118 S.Ct. at 1267-69.
Because of the significant difficulties posed by polygraph evidence, we
have given serious consideration to the decisions from these other jurisdictions, and to
the option of adopting a judicial rule of exclusion like the ones adopted in the majority
of Daubert states - essentially, a rule declaring that the potential of polygraph evidence
for creating unfair prejudice always outweighs its probative value.
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We are nevertheless troubled by the possibility that, in some criminalcases,
an exculpatory polygraph result might be the only realistic way for a defendant to
establish a reasonable doubt as to their guilt. And (as we are about to explain), we are
convinced that the particular solution adopted by the superior court in Alexander's case
provides adequate safeguards against the dangers of unfair prejudice.
Under the "abuse of discretion" standard of review, the question we must
answer is whether the superior court acted unreasonably when it concluded that the
dangers posed by polygraph evidence could be adequately negated by (1) requiring
Alexander to submit to a State-administered polygraph and (2) requiring Alexander to
take the stand at his trial and submit to cross-examination.
The first condition imposed by the superior court - that Alexander should
not be allowed to introduce the results of Dr. Raskin's polygraph examination unless
Alexander submits to a polygraph examination administered by an expert of the State's
choosing - conforms to a familiar legal principle: Whenever a litigant (whether in civil
or criminal litigation) seeks to offer an expert's evaluation of some aspect of the litigant's
mental or physical condition, the court is empowered to require the litigant to submit to
13
a similar evaluation by an independent expert.
The second condition imposed by the superior court - that Alexander
should not be allowed to introduce the results of Dr. Raskin's polygraph examination
unless Alexander takes the stand at trial and submits to cross-examination - is more
unusual, but we conclude that it is nonetheless justifiable under Evidence Rules 403 and
705(c).
13 See Alaska Civil Rule 35 and Alaska Criminal Rule 16(c)(5); AS 12.47.070; Lewis
v. State, 195 P.3d 622 (Alaska App. 2008), Nelson v. State , 874 P.2d 298 (Alaska App.
1994).
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There are two aspects of polygraph evidence that present the greatest
potential for confusion and misuse. The first of these is the danger that jurors may be
overly swayed by the evidence; they may view it as having a degree of scientific rigor
and infallibility that it does not possess. This danger can be effectively countered by the
first condition imposed by the superior court - i.e., having the opposing side present the
results of its own independent polygraph examination - as well as by allowing the
opposing side to present expert testimony that points out the potential weaknesses and
deficiencies of polygraph examination procedures and techniques.
But the second danger posed by polygraph evidence is harder to deal with.
This second danger arises from the fact that expert testimony describing the results of a
polygraph examination will invariably include a recitation of out-of-court statements
made by the person who was examined. These out-of-court statements will ordinarily
consist of the person's assertions about what did or did not happen, coupled with
assertions about what the person knew (or did not know) at the time, or what the person
intended (or did not intend) to do.
Technically, perhaps, these out-of-court statements could be admissible for
a non-hearsay purpose, since they serve as part of the basis for the polygraph examiner's
opinion. See Alaska Evidence Rule 703, which states that expert witnesses are normally
allowed to testify about the underlying data or information that provides the basis for
their opinion, even when that underlying information would not otherwise be admissible
- i.e., even though it would not otherwise survive a hearsay objection or a challenge
based on the witness's lack of personal knowledge. 14
14 See also Edward J. Imwinkelried and James R. McCall, Issues Once Moot: The Other
Evidentiary Objectionsto the Admission of Exculpatory Polygraph Examinations ,32 Wake
Forest LawRev. 1045, 1072-74(Winter 1997) (analyzing this issue under the nearly identical
provisions of Federal Evidence Rule 703).
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But when a polygraph expert describes the statements that a defendant
made during the examination (as part of the expert's analysis of the defendant's
polygraph results), it will often be impossible for jurors to treat the defendant's
statements as merely the factual data underlying the polygraph expert's opinion. Instead,
the jurors will use the defendant's statements for an improper hearsay purpose - as
substantive evidence of the truth of the factual matters asserted by the defendant in those
out-of-court statements.
We addressed this general problem (expert testimony that relies on
otherwise inadmissible evidence) in Borchgrevink v. State , 239 P.3d 410, 419 (Alaska
15 In those
App. 2010), and Vann v. State , 229 P.3d 197, 208-09 (Alaska App. 2010).
cases, we noted that Alaska Evidence Rule 705(c) offers a way for trial judges to deal
with this issue - by giving judges the general authority to prohibit an expert witness
from testifying about the data or information that underlies their opinion whenever "the
danger that [this underlying data or information] will be used for an improper purpose
outweighs [its] value as support for the expert's opinion".
But in the context of polygraph evidence, if a court were to exclude all
evidence of the examinee's out-of-court statements to the polygraph examiner, this
would essentially destroy the evidentiary value of the polygraph examiner's testimony.
In Alexander's case, the superior court hit upon a different solution - one
that allows Dr. Raskin to fully describe how he conducted the polygraph examination,
and to fully explain his interpretation of the test results, while at the same time solving
15 See also Guerre-Chaley v. State , 88 P.3d 539, 543-44 (Alaska App. 2004), and the
Commentary to Alaska Evidence Rule 705(c), which identify the problem as the possibility
that the jury "might ... use the facts or data [recited by the expert witness] as the basis for an
independent judgment on issues in [the] case".
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the problem that the jury will likely use Alexander's out-of-court statements for
prohibited hearsay purposes.
Even though the jury may inevitably view Alexander's out-of-court
statements to Dr. Raskin as substantive proof of the matters asserted in those statements,
this will make little difference to the jury's consideration of the case if Alexander takes
the stand at trial, makes those same assertions in front of the jury, and is cross-examined.
The superior court therefore ruled that if Alexander wishes to present Dr. Raskin's
testimony, Alexander must take the stand and submit to cross-examination.
We conclude that the superior court's resolution of this matter was a
reasonable exercise of the court's discretion under Evidence Rules 403 and 705(c), and
we therefore uphold this aspect of the superior court's ruling.
Concluding matters
For the reasons explained in this opinion, we conclude that the superior
court did not abuse its discretion when it ruled that the polygraph evidence offered in this
case meets the threshold test for scientific evidence established in Daubert . We further
conclude that the superior court did not abuse its discretion when it ruled that Alexander
can introduce the exculpatory polygraph evidence only if he submits to a State-
administered polygraph examination, and only if he takes the stand and submits to cross-
examination at his trial.
Although we are affirming the superior court's ruling in Alexander's case,
we wish to clarify that the superior court has the authority to re-examine its ruling if it
sees fit. We say this because of the developments that occurred after the superior court
issued its ruling. As we have explained, while this appellate case was still in its briefing
stage, the other defendant involved in this litigation, James Griffith, took a State-
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administered polygraph examination. Despite Dr. Raskin's testimony that there was a
90 percent chance (or better) that the exculpatory results of his examination of Griffith
were accurate, Griffith apparently failed the State-administered polygraph examination.
Following this second polygraph exam, Griffith pleaded guilty, and he subsequently
withdrew from this case.
We express no opinion as to whether the superior court should re-assess its
decision in light of these developments, and we do not retain jurisdiction of this case.
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