4.8 15 Murders: Inside the Mind of a Serial Killer Oct. 01, 2011 15 Murders: Inside the Mind of a Serial Killer IMDb: 4.8 2011 116 min 14 views On April 5th, 2011 filmmakers Jack Hamill and Brenda Hill were hired to make a documentary about serial killer Edward Payne. 3 weeks later Jack ... HorrorThriller