Premiering on Netflix this September is the second instalment in Ryan Murphy's Monsters series, entitled The Lyle and Erik Menendez Story . The new season comes from Murphy and Ian Brennan, who were behind the controversial Monster: The Jeffrey Dahmer Story . This time around, the true crime series will focus on brothers Lyle and Erik Menendez, who killed their parents in their Beverly Hills home on 20th August 1989.

During the trial for the murders of their parents, José and Kitty, the brothers cited years of abuse as the reason for the murders. Lyle and Erik claimed that they had killed them out of fear that their father would kill them if they were to expose him for the years of abuse. With the show now arriving on Netflix , many are wondering just what happened to brothers Lyle and Erik Menendez.

Well, read on for everything you need to know about them. Is Monsters: The Lyle and Erik Menendez Story based on a true story? Yes. The new Netflix series is based on the real-life case of Lyle and Erik Menendez , two brothers who were convicted in 1996 of the murders of their parents José and Mary Louise 'Kitty' Menendez.

Across nine episodes, Netflix's Monsters: The Lyle and Erik Menendez Story chronicles the case, and as per the synopsis: "While the prosecution argued they were seeking to inherit their family fortune, the brothers claimed - and remain adamant to this day, as they serve life sentences without the possibility of parole - that their actions stemmed out of fea.