Charles Manson died at the age of 83 on Nov. 19. According to authorities, the murderous cult leader passed away at a hospital in Kern County, CA from natural causes. He was one of the most infamous figures in criminal history, ordering one of the most horrifying murders in Hollywood: that of actress Sharon Tate. He was the leader of one of the world's most infamous cults. And he was recently factored into American Horror Story: Cult. With Charles Manson's recent resurgence as a person of interest in the public eye, it's entirely possible that a lot of people in the present day don't know his story. After all, he committed his most prolific crimes in the late 1960s. Here's a primer on who he is, what he did, and where he was before his death.