Zwack v. State
Court of Appeals of Texas
757 S.W.2d 66 (Tex. App. 1988)
Relevant factsFree
Zwack (defendant), charged with murder, raised an insanity defense; his counsel sought to introduce excerpts from a psychiatric treatise directly to the jury without presenting an expert witness to testify alongside them, and the trial court disallowed the unaccompanied treatise excerpts.
IssueFree
Whether it is permissible to introduce excerpts from a learned treatise as substantive evidence without accompanying expert testimony.