From Ted Bundy to Joel Rifkin, serial killers have captured the enduring focus of esteemed Dr. Dorothy Otnow Lewis, who has spent her adult life studying the most notorious murderers. This provocative documentary from Academy Award(R) winner Alex Gibney is a portrait of a woman willing to reach inside the darkest places of the criminal mind. Dr. Lewis' literary voice read by actress Laura Dern, and the eclectic use of cinema verite, videotapes of psychiatric evaluations, animation, and home movies, reveals how Dr. Lewis' insights and forensic skills helped change the laws and the approach of death penalty lawyers.