RT Journal Article SR Electronic T1 Pejorative Testimony About Opposing Experts and Colleagues “Fouling One's Own Nest” 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 26 OP 30 VO 34 IS 1 A1 Thomas G. Gutheil A1 Diane H. Schetky A1 Robert I. Simon YR 2006 UL http://jaapl.org/content/34/1/26.abstract AB Circumstances sometimes require expert witnesses under oath to express opinions about opposing experts or professional colleagues who work within their own professional, geographic, or organizational circle. This requirement poses some common problems that have not been well discussed in the literature. This article addresses some of those problems and suggests some useful solutions.