RT Journal Article SR Electronic T1 "The whole truth" versus "the admissible truth": an ethics dilemma for expert witnesses JF Journal of the American Academy of Psychiatry and the Law Online JO J Am Acad Psychiatry Law FD American Academy of Psychiatry and the Law SP 422 OP 427 VO 31 IS 4 A1 TG Gutheil A1 M Hauser A1 MS White A1 G Spruiell A1 LH Strasburger YR 2003 UL http://jaapl.org/content/31/4/422.abstract AB The expert witness testifies under oath to tell "the whole truth," yet certain aspects of the legal system itself make this ideal difficult or impossible. The authors present both a philosophical and a practical discussion of the challenges for the expert in attaining this goal. After review of oaths in general and truth-telling in particular, real-life examples are provided to examine the vicissitudes of the whole truth in court. Recommendations are provided for experts, to preserve the truth in the adversary system.