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[[COURTLISTENER_SUBOPINION {"id":"10772034","type":"010combined","part":"opinion","author":null,"source_field":"html_with_citations"}]]
FOURTH DIVISION
MERCIER, C. J.,
DILLARD, P. J., and LAND, J.
NOTICE: Motions for reconsideration must be
physically received in our clerkâs office within ten
days of the date of decision to be deemed timely filed.
https://www.gaappeals.us/rules
December 30, 2024
In the Court of Appeals of Georgia
A25A0076. WRIGHT v. THE STATE.
Dillard, Presiding Judge.
The State has charged Andrew James Wright with one count of homicide by
vehicle based on driving under the influence of drugs to the extent that he was a
less-safe driver (âDUI less safeâ) and one count of homicide by vehicle based on
reckless driving. In this interlocutory appeal, Wright contends the trial court erred in
granting the Stateâs motion to exclude the testimony of his proffered expert witness
under OCGA § 24-7-702 (âRule 702â). For the following reasons, we reverse.
The record shows that on August 19, 2020, while driving a tractor trailer,
Wright struck a vehicle operated by Susan Chambersâwhich tragically resulted in her
death. Wrightâs blood tested positive for various prescription drugs,1 and he was
charged as set forth above. In November 2022, Wright filed a notice of his intent to
call as a defense witness an expert in pharmacology and toxicology. Almost eighteen
months later, in April 2024, the State filed a motion to exclude the testimony of
Wrightâs proposed expert.
At the subsequent hearing, Wrightâs proposed expert, a professor of clinical and
administrative pharmacology at the University of Georgia College of Pharmacy,
testified. The professor has worked at the College of Pharmacy since 1981; he has a
doctorate in pharmacology and toxicology; he teaches and lectures on pharmacology
and toxicology, among other subjects; and he oversees a program within the College
of Pharmacy for students who have potential drug or alcohol issues. As defined by the
professor, pharmacology is âthe study of how drugs produce their effects[,]â
including not only the methods by which drugs produce their effects and side effects,
but also how âdrugs are absorbed, metabolized, excreted and distributed in the body.â
Toxicology is similar to pharmacology but focuses on âthe toxic or adverse events of
1
Chambersâs post-mortem blood test was positive for amphetamine and
methamphetamine, but the trial court orally denied Wrightâs motion to admit this
evidence. Although Wright filed a motion for reconsideration in March 2024, it does
not appear the trial court has yet ruled on that motion.
2
drugs and chemicals.â Prior to this case, the professor had testified as an expert in
both civil and criminal cases in several states, and he was accepted as an expert in
pharmacology and toxicology for purposes of the hearing in Wrightâs case. In addition
to teaching and overseeing the student-impairment program, the professor has also
done animal studies on controlled substances, including cocaine.
In reaching his opinion in this case, the professor reviewed the results of
Wrightâs blood test, which was taken approximately four hours after the collision, as
well as Wrightâs prescription records.2 The professor explained that Wright tested
positive for Tramadol, a non-opiate pain reliever; amphetamine; Gabapentin;
Imipramine, an anti-depressant; and Desipramine, which âis actually a breakdown of
metabolite fromâ Imipramine. Wright had prescriptions for Tramadol; amphetamine,
in the form of Adderall (which is used to treat ADHD); Gabapentin; and Imipramine.
Wrightâs blood test showed that the amount of Tramadol present was at the low end
of the therapeutic range and the amount of amphetamine was actually below the
therapeutic range. The other drugs were not quantified.
2
Neither the result of Wrightâs blood test nor his prescription records are a part
of the record on appeal.
3
When asked by defense counsel what effect, if any, the professor would expect
these drugs to have on Wright at the time of the blood draw or the collision, the
professor explained that because Wright had been taking these drugs for months or
years, he would expect Wright to be âable to function.â3 The professor went on to
state that, over many years, he has observed students taking Adderall, Tramadol, and
Gabapentin, and at âvery low, low therapeutic levelsâ (such as those found in
Wrightâs blood), the drugs should not have âaffect[ed] his ability to operate a
machine.â Moreover, many people taking these drugs operate vehicles and otherwise
function normally; and the professor testified that if Wright had any issues with
driving, his clinician would have noted it. On cross-examination, the professor
explained that while he had not undertaken any human studies regarding the specific
drugs found in Wrightâs blood and their impact on driving, he was familiar with the
literature in this area, which he reviewed as a part of his academic teaching. Notably,
the professor explained that this opinion was based on the specialized knowledge of
his areas of expertise, including pharmacological principles.
3
The professor admitted that these drugsâin high doses or when newly
prescribedâcould impair a personâs ability to operate a vehicle safely.
4
Following that hearing, the trial court granted the Stateâs motion to exclude the
testimony of the professor. Wright thereafter filed an application for interlocutory
review to this Court, which we granted.4 This appeal follows.
Before we turn to Wrightâs claim of error, some historical context and general
review may be helpful. Effective July 1, 2022, the General Assembly repealed the
former statute which specifically governed the admission of expert testimony in
criminal cases,5 and amended Rule 702 such that it ânow governs the admissibility of
expert testimony in criminal as well as civil cases.â6 And with this amendment, the
General Assembly âextended to criminal cases the federal standard of admissibility
4
See Order, Case No. A24I0250 (Ga. App. July 17, 2024).
5
See OCGA § 24-7-707 (2022) (âIn criminal proceedings, the opinions of
experts on any question of science, skill, trade, or like questions shall always be
admissible; and such opinions may be given on the facts as proved by other
witnesses.â); 2022 Ga. Laws, p. 201, § 2 (repealing former OCGA § 24-7-707).
6
Wilson v. State,
370 Ga. App. 399
, 406 (2) (
897 SE2d 597
) (2024); see OCGA
§ 24-7-702 (a) (â[T]he provisions of this Code section shall apply in all
proceedings.â); 2022 Ga. Laws, p. 201, §§ 1 (amending OCGA § 24-7-702), 3 (noting
effective date).
5
of expert testimonyâ articulated in Daubert v. Merrell Dow Pharmaceuticals, Inc.7 and
its progeny.8
The amended version of Rule 702 (b) provides:
A witness who is qualified as an expert by knowledge, skill, experience,
training, or education may testify in the form of an opinion or otherwise,
if:
(1) The expertâs scientific, technical, or other specialized knowledge will
help the trier of fact to understand the evidence or to determine a fact in
issue;
(2) The testimony is based upon sufficient facts or data;
(3) The testimony is the product of reliable principles and methods; and
(4) The expert has reliably applied the principles and methods to the
facts of the case.9
7
509 U.S. 579
(
113 SCt 2786
, 125 LE2d 469) (1993).
8
Garrison v. State,
319 Ga. 711, 725
(3) (b) (
905 SE2d 629
) (2024) (punctuation
omitted); accord Wilson, 370 Ga. App. at 407 (2).
9
OCGA § 24-7-702 (b).
6
Because Georgiaâs Rule 702 is modeled after Rule 702 of the Federal Rules of
Evidence, âwe look to the decisions of federal appellate courts, especially the United
States Supreme Court and the Eleventh Circuitâ for guidance.10
In determining whether an expertâs testimony is admissible under Daubert, the
trial court acts as âa gatekeeper, assessing both the witnessâ qualifications to testify
in a particular area of expertise and the relevancy and reliability of the proffered
testimony.â11 The purpose of Daubertâs gate-keeping requirement is to âmake certain
that an expert, whether basing testimony upon professional studies or personal
experience, employs in the courtroom the same level of intellectual rigor that
10
Miller v. Golden Peanut Co., LLC,
317 Ga. 22, 26
(1) (a) (
891 SE2d 776
)
(2023). Georgiaâs current Evidence Code took effect in 2013.
Id. at 28
(1) (b). And
when, as here, the ârelevant Georgia evidentiary rule is materially identical to a
Federal Rule of Evidence, we no longer look to those cases decided under our former
Evidence Code for guidance, turning instead to where the General Assembly clearly
directed us: decisions of the Supreme Court of the United States and the federal
Courts of Appeals.â
Id. at 28-29
(1) (b).
11
Garrison,
319 Ga. at 726
(3) (c) (i) (punctuation omitted); see Miller,
317 Ga.
at 29
(1) (b) (âThe whole premise of Rule 702 is that a trial court must act as a
âgatekeeperâ to ensure the relevance and reliability of expert testimony.â (punctuation
omitted)).
7
characterizes the practice of an expert in the relevant field.â12 And reliability requires
âa case-specific inquiry.â13
Importantly, in making its assessment, the trial court âmay not exclude an
otherwise sufficient expert opinion simply because it believes that the opinion is
notâin its viewâparticularly strong or persuasive.â14 Rather, the weight to be given
to âadmissible expert testimony is a matter for the jury.â15 Ultimately, courts must
12
Kumho Tire Co., Ltd. v. Carmichael,
526 U.S. 137, 152
(II) (B) (
119 SCt 1167
,
143 LE2d 238) (1999); see Smith v. Ford Motor Co.,
215 F3d 713, 718
(II) (A) (7th Cir.
2000) (Flaum, J.) (â[A] court should consider a proposed expertâs full range of
practical experience as well as academic or technical training when determining
whether that expert is qualified to render an opinion in a given area.â).
13
Miller,
317 Ga. at 30
(2); see
id.
(âBecause there are many different kinds of
experts and many different kinds of expertise, it follows that the test of reliability is a
flexible one[.]â (punctuation omitted)).
14
Emory University v. Willcox,
355 Ga. App. 542
, 543 (1) (
844 SE2d 889
) (2020)
(punctuation omitted); accord Firemanâs Fund Ins. Co. v. Holder Constr. Grp., LLC,
362 Ga. App. 367
, 372 (1) (
868 SE2d 485
) (2022); see Rosenfeld v. Oceania Cruises, Inc.,
654 F3d 1190, 1193
(11th Cir. 2011) (explaining that it is not the role of the trial court
âto make ultimate conclusions as to the persuasiveness of the proffered evidenceâ
and that âin most cases, objections to the inadequacies of a study are more
appropriately considered an objection going to the weight of the evidence rather than
its admissibilityâ (punctuation omitted)).
15
Willcox, 355 Ga. App. at 543 (1) (punctuation omitted); see Ambrosini v.
Labarraque,
101 F3d 129, 134
(II) (DC Cir. 1996) (â[O]nce an expert has explained his
or her methodology, and has withstood cross-examination or evidence suggesting that
the methodology is not derived from the scientific method, the expertâs testimony, so
8
remain cautious not to âimproperly use the admissibility criteria to supplantâ16 the
sacrosanct right to a jury trial17 because â[v]igorous cross-examination, presentation
of contrary evidence, and careful instruction on the burden of proof are the traditional
and appropriate means of attacking shaky but admissible evidence.â18
When applying Rule 702, the trial court has âbroad discretionâ to accept or
reject âthe qualifications of an expert witness, and we review a trial courtâs ruling on
both the qualification of an expert and the admissibility of that expertâs testimony for
long as it âfitsâ an issue in the case, is admissible under Rule 702 for the trier of fact
to weigh.â).
16
Moore v. Intuitive Surgical, Inc.,
995 F3d 839, 850
(III) (11th Cir. 2021).
17
See Ga. Const. Art. I, Sec. I, Para. XI (a) (providing that the right to a jury trial
âshall remain inviolateâ); see also U.S. Const. amend. VI (âIn all criminal
prosecutions, the accused shall enjoy the right to a speedy and public trial, by an
impartial jury of the State and district wherein the crime shall have been committed
. . .â); Ramos v. Louisiana,
590 U.S. 83, 93
(I) (
140 SCt 1390
,
206 LEd2d 583
) (2020)
(Gorsuch, J.) (â[T]he Sixth Amendment right to a jury trial is âfundamental to the
American scheme of justice[.]ââ); Duncan v. Louisiana,
391 U.S. 145, 155
(I) (
88 SCt
1444
, 20 LE2d 491 (1968) (White, J.) (âA right to jury trial is granted to criminal
defendants in order to prevent oppression by the Government.â). See generally Sec. &
Exch. Commân v. Jarkesy, __ U.S. __ (II) (A) (1) (
144 SCt 2117
, 2128,
219 LEd2d
650
) (2024) (Roberts, C.J.) (noting that â[t]he right to trial by jury is âof such
importance and occupies so firm a place in our history and jurisprudence that any
seeming curtailment of the rightâ has always been and âshould be scrutinized with the
utmost careââ) (citation omitted)).
18
Daubert,
509 U.S. at 596
(III); accord Willcox, 355 Ga. App. at 544 (1).
9
an abuse of discretion.â19 Finally, as the party seeking to rely on the proffered expert,
Wright bore the burden of establishing that the professorâs testimony was reliable
within the meaning of Rule 702.20
With the foregoing guiding principles in mind, we will now address the merits
of Wrightâs particular claim of error. Specifically, he maintains the trial court
improperly considered the persuasiveness or weight of the proffered expert testimony
and, in doing so, failed to act as a âgatekeeperâ and abused its discretion. We agree.
In making its ruling, the trial court concluded that the professor âotherwiseâ
qualified as an expert in toxicology and pharmacology based on his training and
experience. Even so, the trial court determined that the professorâs proposed
testimony âwould not be sufficiently reliable so as to help the trier of factâ as required
19
Wilson, 370
Ga. App. at 407 (2) (punctuation omitted); see Miller,
317 Ga. at
30
(2) (â[T]he trial court has broad discretion under Rule 702 to admit or exclude
expert testimony.â); Ronald L. Carlson & Michael Scott Carlson, CARLSON ON
EVIDENCE 385 (8th ed. 2023) (âWhile the trial court has authority to exclude expert
testimony, it must exercise it carefully.â).
20
Firemanâs Fund Ins., 362 Ga. App. at 371 (1); see Preferred Womenâs Healthcare
LLC v. Sain,
367 Ga. App. 821
, 826 (1) (
888 SE2d 599
) (2023) (âImportantly, the
proponent of the testimony does not have the burden of proving that it is scientifically
correct, but only that by a preponderance of the evidence, it is reliable.â (punctuation
omitted)); U.S. v. Esformes,
60 F4th 621, 637
(III) (D) (11th Cir. 2023) (Pryor, C.J.)
(same).
10
under Rule 702 (b) (1) because the professor had ânot engaged in any studies, field
tests or direct evaluations concerning the effects of drugs on the ability of a human
being to operate a motor vehicle safely.â And because the professor could not testify
to the âdirect result . . . of drugs on a human beingâs ability to operate a motor vehicle
safely,â the court found that he had not reliably applied principles and methods to the
facts of this case as required under Rule 702 (b) (4).
In this case, Wright is charged with, inter alia, homicide by vehicle based on
DUI less safe.21 In order to convict Wright of this charge, the State is required to prove
that he drove a vehicle while â[u]nder the influence of any drug to the extent that it
[was] less safeâ for him to drive.22 As a result, contrary to the trial courtâs finding, the
professorâs specialized knowledge of pharmacology and toxicology would help the
trier of fact determine an important fact at issue: whether Wright was a less-safe driver
21
OCGA § 40-6-393 (a) (âAny person who, without malice aforethought,
causes the death of another person through the violationâ of various Code sections,
including driving under the influence in violation of OCGA § 40-6-391, âcommits the
offense of homicide by vehicle[.]â).
22
OCGA § 40-6-391 (a) (2) (âA person shall not drive or be in actual physical
control of any moving vehicle while . . . [u]nder the influence of any drug to the extent
that it is less safe for the person to drive[.]â).
11
as a result of his prescription medications.23 And while the trial court specifically
found the professorâs testimony would not be helpful because it lacked reliability (in
that the professor had not engaged in any human studies, field testing, or direct
observation of drivers), the factual basis of an expert opinion âgoes to the credibility
of the testimony, not the admissibility, and it is up to the opposing party to examine
the factual basis for the opinion in cross-examination.â24 Moreover, while there is
âinevitably some overlap among the basic requirementsâqualification, reliability, and
23
See Rule 702 (b) (1) (setting forth the requirement that the âexpertâs
scientific, technical, or other specialized knowledge . . . help the trier of fact to
understand the evidence or to determine a fact in issueâ); Miller,
317 Ga. at 30
(2)
(â[T]he proposed testimony must logically advance a material aspect of the case.â
(punctuation omitted)); Cordial Endeavor Concessions of Atlanta, LLC v. Gebo Law
LLC,
370 Ga. App. 528
, 530 (2) (
898 SE2d 259
)(2024) (âExpert testimony is helpful
to the trier of fact only to the extent that the testimony is relevant to the task at hand
and logically advances a material aspect of the case.â (punctuation omitted)).
24
Willcox, 355 Ga. App. at 545 (2); see Smith,
215 F3d at 718
(II) (A) (âThe
soundness of the factual underpinnings of the expertâs analysis and the correctness of
the expertâs conclusions based on that analysis are factual matters to be determined
by the trier of fact[.]â); U.S. v. L.E. Cooke Co., Inc., 991 F2d 336, 342 (II) (A) (6th Cir.
1993) (Milburn, J.) (âThe Federal Rules of Evidence allow an expert great liberty in
determining the basis of his opinions and whether an expert opinion should be
accepted as having an adequate basis is a matter for the trier of fact to decide.â). See
also CARLSON, supra note 19, pp. 392-93 (âIs it only the writings of the expert who
is called to the stand which count? The answer to this inquiry is âno.â The supportive
writing can come from other authors in the professional field, as well as from the
expert on the stand.â).
12
helpfulnessâthey remain distinct concepts and the courts must take care not to
conflate them.â25 Here, the trial court appears to have conflated helpfulness and
reliability.26
As to whether the professor reliably applied pharmacological principles and
methods to the facts of this case within the meaning of Rule 702 (b) (4), the trial court
found the professor had not reliably applied these principles because he could not
testify directly as to the impact of drugs on a humanâs ability to drive. In reaching his
opinion, the professor reviewed the results of Wrightâs blood test, which included the
levels of various medications present, as well as Wrightâs prescription history. And
the professor testified that, in his opinion, based on the evidence he considered, as
well as his knowledge of pharmacology (including his review of the literature, and his
personal experience with people taking the same drugs Wright was taking), Wright
would have been able to function normally, including driving. Ultimately, the trial
court âmay not exclude an otherwise sufficient expert opinion simply because it
25
Frazier, 387 F3d at 1260 (III) (A); accord Willcox, 355 Ga. App. at 543 (1).
26
See supra note 25 & accompanying text.
13
believes that the opinion is notâin its viewâparticularly strong or persuasive.â27
Instead, the weight to be given to âadmissible expert testimony is a matter for the
jury.â28 But here, the trial court excluded the professorâs proposed testimony because
it found that the testimony was not particularly strong or persuasive.29 In doing so, the
court abused its discretion.30
27
Willcox, 355 Ga. App. at 543 (1) (punctuation omitted); accord Firemanâs Fund
Ins., 362 Ga. App. at 372 (1). Notably, as set forth above, the trial court conceded that
the professor âotherwiseâ qualified as an expert.
28
Willcox, 355 Ga. App. at 543 (1) (punctuation omitted); see Gayton v. McCoy,
593 F3d 610, 619
(II) (A) (7th Cir. 2010) (Williams, J.) (explaining that â[a]fter
hearing from all of the experts, and after vigorous cross-examination, it will be up to
the jury to determineâ which factors, if any, caused the injury in question). In its
response brief, the State contends the professorâs testimony was unreliable because
the blood draw was several hours after the collision. But the timing of the blood draw
also goes to the weight of the expertâs testimony.
29
See supra note 14 & accompanying text.
30
See, e.g., Firemanâs Fund Ins., 362 Ga. App. at 373 (1) (a) (holding trial court
abused its discretion in excluding âan otherwise sufficient expert opinion based on its
belief that the opinion was not particularly strong or persuasiveâ); Rosenfeld,
654 F3d
at 1194
(granting new trial when trial court excluded plaintiffâs proposed expert on
flooring; flooring expertâs knowledge was beyond the understanding of the average
citizen; and defendantâs arguments that expertâs methods were âimprecise and
unspecific and based on incorrect assumptionsâ went to the weight and
persuasiveness of expertâs testimony, not its admissibility (punctuation omitted));
Gayton,
593 F3d at 618
(II) (A) (holding district court abused its discretion in finding
expertâs testimony unreliable; expert relied on the same record, including decedentâs
medical records, as other experts and provided a sufficient scientific basis for his
14
For all these reasons, we reverse the trial courtâs ruling and remand the case for
further proceedings consistent with this opinion.
Judgment reversed. Mercier, C. J., and Land, J., concur.
opinion); see also Willcox, 355 Ga. App. at 545-46 (2) (concluding trial court did not
abuse its discretion in denying defendantsâ motion to exclude expertâs opinion
evidence even if, as the defendants argued, the opinion was âbased upon inadequate
knowledgeâ).
15Case Information
- Court
- Ga. Ct. App.
- Decision Date
- December 30, 2024
- Status
- Precedential