Who is David Berkowitz and where is he now? Sun Reporter Updated: May 5 2021, 5:48 ET Sun Reporter Invalid Date, A NETFLIX documentary sheds a new light on the murders of the infamous American serial killer known as the "Son of Sam". The streaming giant’s latest true crime fixture uses case files and interviews with investigators and journalists who followed the gruesome story and looks at evidence suggesting that David Berkowitz may not have acted alone. The best series on Netflix The best movies on Netflix New on Netflix: What to watch this week