When hundreds of videotapes showing torture, murder and dismemberment are found in an abandoned house, they reveal a serial killer's decade-long reign of terror and become the most disturbing collection of evidence homicide detectives have ever seen. Written by Tribeca Film FestivalWhen hundreds of videotapes showing torture, murder and dismemberment are found in an abandoned house, they reveal a serial killer's decade-long reign of terror and become the most disturbing collection of evidence homicide detectives have ever seen. Written by Tribeca Film Festival