Thirty years after it was first published, the issues raised in The Jury and the Defense of Insanity remain pertinent. Rita James Simon examines how motivated and competent juries are, how well jurors understand and follow judges' instructions, their understand-ing of expert testimony, and the extent to which their own backgrounds and experiences influence their decisions. Simon provides a rare opportunity to observe how jurors go about the process of deliberating and reaching a verdict by following them into the jury room and recording their deliberations. This...