Documentary Claims Serial Killer Murdered Nicole Brown Simpson

Man currently on death row in Florida

A convicted serial killer currently on death row killed O.J. Simpson's ex-wife Nicole Brown Simpson and her friend Ron Goldman, a new documentary claims.

"My Brother the Serial Killer" claims Glen Rogers was behind the 1994 murders that made nationwide headlines. The documentary, which airs Nov. 21 on Investigation Discovery, includes a candid interview with Rogers' brother, Clay.

"I'm absolutely certain that my brother killed Nicole Simpson and Ron Goldman," Clay Rogers told the filmmakers.