has premiered on Netflix, and while some viewers are understandably disturbed by the subject matter, there is one thing people love about the series – its two leading stars . Nicholas and Cooper star as Lyle and Erik Menendez, respectively, in the Ryan Murphy anthology series. Whether you've already started watching the gripping series on Netflix or have added it to your queue for weekend viewing, you likely have some questions.

So, here's what you need to know about the Menendez brothers and the actors who play them. and Ian Brennan tackle the story of the brothers who fatally shot their parents, José and Mary Louise "Kitty" Menéndez, at close range in their Beverly Hills mansion. While police initially suspected the mob's involvement due to the gruesome nature of the murders, the brothers - who were 21 and 18 at the time - told police they found their parents shot dead at home.

However, the police received a tip-off about the brothers' involvement when Judalon Smyth, the mistress of Erik's psychologist, Jerome Oziel, revealed there were audiotapes of Erik confessing to the murders during his therapy sessions. Following the brothers' arrest for first-degree murder, there was a highly publicised legal battle involving two juries, two trials, and one mistrial. Lyle and Erik's legal team argued that the brothers killed their parents in self-defence and they both testified that their mother and father abused them.

The brothers claimed that they killed their parents out of .