The California man, who had been diagnosed with paranoid schizophrenia, killed 13 people in 1972-73, believing it would prevent earthquakes.

Serial killer Edmund Kemper, later known as the 'Co-Ed Killer,' was released on parole from Atascadero State Hospital when he was 21 after shooting and killing his grandparents when he was 15. Why did psychiatrists allow him to go free?

Ann Wolbert Burgess tells A&E True Crime about how her expertise in victimology aided the FBI's Behavioral Science Unit in their mission to capture rapists and serial killers in the 1970s and '80s.

Investigative historian Peter Vronsky explains how Edmund Kemper, Ted Bundy, Jeffrey Dahmer and others reached celebrity status during the 'Golden Age' of American serial killing.

Bryanna Fox, Ph.D, former FBI agent and researcher at the bureau's Behavioral Science Unit, talks to A&E True Crime about whether convicted serial killers are the key to catching active serial killers.

A&E True Crime spoke to a psychologist and a criminal profiler about the serial killers featured on Mindhunter, and asked them what the show got right when it comes to their impulses and motives.