The true story of Netflix series Monsters: Who were the Menendez brothers and what happened?

The true story of Netflix series Monsters: Who were the Menendez brothers and what happened?
https://s.yimg.com/ny/api/res/1.2/1jSLcOihr6NaHrGGoRipGg--/YXBwaWQ9aGlnaGxhbmRlcjt3PTEyNDI7aD04Mjg-/https://media.zenfs.com/en/evening_standard_239/88218752383339a65d4f5c950a621d4c

Brits have been binge-watching the series in their millions, but is the story real?

https://ca.news.yahoo.com/true-story-netflix-series-monster-134542032.html