The latest film to emerge from America’s fascination with mass murderer Charles Manson is the two-hour documentary Inside The Manson Cult: The Lost Tapes. The documentary will have its television debut on the Fox Network on September 17. Fox released a teaser for the documentary on August 9, featuring an audio clip of Manson’s voice.

“I’ve been laying up here paying for your sins for 2,000 years,” Manson says. “How many times have I gotta pay for your sins? I’m getting tired, I’m getting tired.” Manson died at the age of 83 in November 2017.

Manson was the leader of a cult that committed a string of murders in the United States of America in the late 1960s. One of their most well-known victims was the actress Sharon Tate, who was married to director Roman Polanski at the time. The events surrounding Tate’s murder feature in Quentin Tarantino’s upcoming film Once Upon A Time in Hollywood. Margot Robbie will play Tate in the movie.

Produced by Naked Television and narrated by Liev Schreiber, Inside The Manson Cult: The Lost Tapes will feature new and archival interviews with former members of the Manson cult. People associated with the investigation into Manson’s crimes, such as Federal Bureau of Investigation criminal profiler John Douglas whose non-fiction book inspired the Netflix series Mindhunter, have also been featured in the documentary.

An exclusive interview of Manson cult member Bobby Beausoleil, who is serving a life sentence for murder, has been included as well.

Inside The Manson Cult: The Lost Tapes