Walters v. Flint

District Court, E.D. Michigan·Decided December 6, 2021·No. 5:17-cv-10164·Unknown

Opinion

UNITED STATES DISTRICT COURT EASTERN DISTRICT OF MICHIGAN SOUTHERN DIVISION

In re Flint Water Cases Judith E. Levy United States District Judge

__________________________________/

This Order Relates To:

Bellwether I Cases Case No. 17-10164 __________________________________/ OPINION AND ORDER GRANTING IN PART AND DENYING IN PART DEFENDANTS VEOLIA NORTH AMERICA, LLC, VEOLIA NORTH AMERICA, INC., AND VEOLIA WATER NORTH AMERICA OPERATING SERVICES, LLC’S MOTION TO EXCLUDE THE TESTIMONY AND REPORT OF DR. MIRA KRISHNAN [341]

This opinion is the third in a series addressing the admissibility of the testimony and reports of eight experts retained by Plaintiffs in anticipation of the first bellwether trial, currently set to begin on February 15, 2022. Defendants argue that none of these experts can meet the standards set by Federal Rule of Evidence 702 and Daubert v. Merrell Dow Pharmaceuticals, Inc., 509 U.S. 579 (1993). Currently before the Court is the motion by Veolia North America, LLC, Veolia North America, Inc., and Veolia Water North America

Operating Services, LLC (collectively “VNA”) to exclude the testimony and report of Dr. Mira Krishnan (ECF No. 341.) The LAN and LAD

Defendants join VNA’s motion. (ECF No. 344.) For the reasons set forth below, VNA’s motion to exclude is GRANTED IN PART and DENIED IN PART.

I. Background Dr. Mira Krishnan is a licensed clinical neuropsychologist with advanced degrees in nuclear engineering and clinical psychology. (ECF

No. 366-2.) She works as a clinical assistant professor in the Department of Psychiatry at Michigan State University, and also runs a small business which provides neuropsychological evaluations, treatment, and

consulting services. Id. Her qualifications as an expert are not in dispute. Dr. Krishnan is Plaintiffs’ expert on the element of injury. She was

retained to conduct a full neurocognitive evaluation of each of the four bellwether Plaintiffs. Dr. Krishnan examined each child, interviewed one or both parents, and conducted a battery of standardized tests to measure

IQ, academic progress, and behavioral functioning. (ECF No. 330-55, No. 330-56, No. 330-57, No. 330-58.) Dr. Krishnan testified that she uses the same tests in her personal clinical practice. (ECF No. 428, PageID.32297-

32298.) To write her reports in this case, Dr. Krishan also reviewed each Plaintiff’s medical and academic records and read the deposition testimony of their parents. Id.

Dr. Krishnan’s observations and conclusions for each Plaintiff are

summarized below. A. D.W.

D.W. struggles to focus on her work at school, and sometimes exhibits defiant, oppositional, or disrespectful behaviors. (ECF No. 330- 58, PageID.15748.) Standardized testing revealed inconsistent

performance in tasks involving attention and cognitive efficiency. Id. Moreover, testing showed a substantial visual problem-solving deficit as compared to her verbal problem-solving skills. Id. Such deficiencies are

often correlated with social problems, and D.W.’s parents report that she has some social difficulties. Id. Because D.W.’s symptoms resemble, but are not entirely consistent with, nonverbal learning

disorder and attention deficit hyperactivity disorder (“ADHD”), Dr. Krishnan ultimately diagnosed D.W. with mild neurocognitive disorder. (Id. at PageId.15748.)

Dr. Krishnan recommends that D.W. undergo complete testing to evaluate the need for a 504 plan.1 Id. She further indicates that because

of her low visual reasoning index, D.W. may have trouble obtaining a college degree. Id. Finally, she estimates that due to her mild neurocognitive disorder, D.W.’s risk of high-school dropout is about 15%,

as compared to 5% in the general population; for similar reasons, Dr. Krishnan estimates that her likelihood of dropping out in college is 25- 50%. As a result, Dr. Krishan concludes that there is a substantial risk

that D.W. will have to accept work below her potential. Id. B. R.V.

R.V.’s family reported a history of behavioral problems, which was in part reflected by difficulties at school. Most of R.V.’s standardized

testing came back normal or even above average. (ECF No. 330-57, PageID.15732.) She did show signs of executive deficits, however. For instance, while she performed well on memory testing, R.V.’s

1 Children who have a disability under Section 504 of the Rehabilitation Act (29 U.S.C. 794) are entitled to a ‘504-plan’ providing them with appropriate accommodations, to ensure that their access to education is not impeded. performance dropped severely when a distraction was introduced. Id. Testing also revealed some deficits in aspects of visual reasoning. Id.

Dr. Krishnan concluded that any emotional problems R.V. might have were not clinically significant. (Id. at PageID.15734.) Nor did R.V.

exhibit signs of ADHD or depression, for which there is a family history. Id. Instead, Dr. Krishnan concluded that the mild deficiencies captured by testing were best explained by a diagnosis of mild neurocognitive

disorder. Id. Dr. Krishnan notes that the visual reasoning deficits may develop

into a nonverbal learning disability as R.V. ages and is subjected to more advanced academic tasks. Id. She therefore predicts that there is a 25- 50% likelihood R.V. will need tutoring or an individualized education

plan (“IEP”).2 Finally, Dr. Krishnan notes that R.V. is likely to graduate from both high school and college, but that her cognitive deficits will make it more challenging for her to complete college. Accordingly, there

is some risk that she will end up working below her potential. Id.

2 An IEP or Individual Education Program is a plan developed for children with special educational needs, specifying the student’s goals and the methods to be used to obtain them. The Individuals with Disabilities Education Act requires the writing and regular updating of IEPs for qualifying children. See 34 C.F.R. §§300.320 et seq (setting forth IEP requirements). C. A.T.

Dr. Krishnan observed mild fidgeting and impulsivity during her examination of A.T. (ECF No. 330-56, PageID.15721.) Standardized testing revealed an unusual imbalance: A.T. performed well above grade

level on reading, and well below grade level on mathematics (more than two grades below, Id. at PageID.15724). Tests also revealed some deficiencies in higher-level attention and verbal reasoning. Id. Finally,

A.T. exhibited weaker than expected independence skills, social withdrawal, and some mild aggression and mood problems. Id.

According to Dr. Krishnan, the discrepant test results for A.T. do not suggest ADHD. Instead, they are better interpreted as indicative of a mood disorder and a mild neurocognitive disorder. (Id. at

PageID.15723.) Dr. Krishnan concludes that A.T. will need an IEP with special

education support to resolve her significant deficits in math. (Id. at PageID.15724.) She expects that A.T.’s learning and attention problems will increase the risk of negative outcomes but anticipates that A.T. will

be able to graduate from high school. Id. However, Dr. Krishnan estimates that it is 30-50% likely A.T. will not be able to complete college training due to her learning and attention problems.

D. E.S.

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