The book details Douglas 's " criminal-personality profiling " on serial killers and mass murderers , which he developed over decades of interviews with known killers . The book includes profiles of the Atlanta child killer , Wayne Williams , Edmund Kemper , Robert Hansen , and Larry Gene Bell , and suggests proactive steps on luring culprits to contact the police
Atlanta child killer
Atlanta murders of 1979–81
Mindhunter: Inside the FBI's Elite Serial Crime Unit