92 A.3d 1107
D.C.2014Background
- Christopher Girardot was convicted at a 2006 bench trial of two counts of misdemeanor sexual abuse based on testimony of two child victims (ages 8 and 10).
- Defense sought to introduce expert testimony from Dr. Susan Robbins on children’s cognitive processes and factors that can produce false allegations of sexual abuse; trial court initially excluded the testimony and this Court remanded for a fuller Dyas analysis (Girardot I).
- On remand the trial court held evidentiary hearings (qualifications and substantive testimony), then issued a 23-page order again excluding Dr. Robbins under the three-prong Dyas test and alternatively finding the testimony would not have changed the verdict.
- The trial court found Robbins’s proffer did not address the psychology of sexually abused children, that the principles she offered were largely within lay common sense, that she lacked relevant clinical/forensic interviewing experience and had not published or relied on studies demonstrating consensus for suggestibility in 8–10 year olds.
- The court concluded the state of the scientific knowledge did not support a reasonable expert opinion for the relevant age group and that admitting the testimony would not assist the trier of fact.
- The Court of Appeals affirmed, finding the trial judge exercised reasoned and reasonable discretion under Dyas and that exclusion was not an abuse of discretion.
Issues
| Issue | Plaintiff's Argument | Defendant's Argument | Held |
|---|---|---|---|
| Whether proffered expert testimony is "beyond the ken" of the average layperson under Dyas | Robbins’s topics (child suggestibility, effects of questioning) are technical and beyond lay understanding; defense corollary to government experts requires parity | Trial court: the operative principles (e.g., suggestive questioning) are common-sense and can be tested by cross-examination; not beyond lay ken | Held: Not beyond lay ken; trial court reasonably found the testimony unnecessary for the trier’s understanding |
| Whether Dr. Robbins had sufficient qualifications to assist the trier | Robbins is a tenured social work professor with decades of experience and training experience with forensic interviewers; qualified by reading and workshops | Trial court: lacked clinical experience with abused children, never conducted or directly observed forensic interviews, no publications/grants on child sexual abuse or suggestibility relevant to 8–10 year olds | Held: Insufficient skill/experience to render helpful opinion in this case |
| Whether the scientific state of the art permits reasonable opinion about suggestibility of 8–10 year olds | Defense: broader literature on preschool suggestibility and emerging studies support admissibility; methods generally accepted so applicable | Trial court: literature proffered largely addressed preschoolers; no demonstrated general acceptance of methodology for 8–10 year olds; defense could not tie studies to the relevant age group | Held: State of knowledge did not permit a reasonable expert opinion for the pertinent age group; Dyas prong not satisfied |
| Whether exclusion violated defendant’s right to present a complete defense / was an abuse of discretion | Girardot contends exclusion impaired his constitutional right to present expert evidence to challenge child testimony | Government/trial court: Dyas is a valid evidentiary limitation; judge conducted case-specific, thorough analysis and exercised discretion | Held: No abuse of discretion; constitutional right does not guarantee admissibility where Dyas criteria are not met |
Key Cases Cited
- Dyas v. United States, 376 A.2d 827 (D.C. 1977) (establishes three-prong test for expert testimony admissibility)
- Ibn-Tamas v. United States, 407 A.2d 626 (D.C. 1979) (requires case-specific Dyas analysis and caution about expert testimony usurping trier role)
- Benn v. United States, 978 A.2d 1257 (D.C. 2009) (defense entitled to present appropriate expert testimony; appellate deference when trial court gives reasoned analysis)
- Jones v. United States, 990 A.2d 970 (D.C. 2010) (expert evidence still subject to exclusion under Rule 403 balancing)
- Holmes v. South Carolina, 547 U.S. 319 (U.S. 2006) (constitutional right to present a defense is not absolute; rules of evidence may limit admissibility)
- United States v. Scheffer, 523 U.S. 303 (U.S. 1998) (recognizes legitimate trial interests may limit the right to present certain evidence)