Erik and Lyle Menendez have been behind bars for killing their parents for more than three decades—but the brothers haven’t been out of the spotlight. Their story inspired Ryan Murphy’s hit Netflix drama Monsters, which came out in September, and the streamer will follow it up on Oct. 7 with the documentary The Menendez Brothers, featuring phone interviews with the brothers in prison. [time-brightcove not-tgx=”true”] The Menendez brothers have never denied killing their parents in their Beverly Hills mansion on Aug.