For more Orange County crimes, check out "The Real Murders of Orange County,” streaming now on Oxygen. When it comes to famous killers who terrorized southern California, perhaps none are as well-known as Joseph James DeAngelo, the brutal rapist and murderer known by many other names, including the Original Night Stalker and the Golden State Killer. Bonin was found guilty of having committed four murders in Orange County and convicted of 10 murders in Los Angeles County, and he is believed to have been responsible for many more similar acts.