The Expert Who Convinced a Jury That Jeffrey Dahmer Was Sane
Joyce Johnson on Dr. Park Dietz, the forensic psychologist who has testified in notorious homicide cases, including the prosecution of John Hinckley, Jr., Betty Broderick, Jeffrey Dahmer, Joel Rifkin, and Ted Kaczynski, known as the Unabomber.
On the forensic psychiatrist who convinced a jury that Jeffrey Dahmer was sane: the strange work of drawing a line between evil and madness, and the expert witness who decides where it falls.