Last month, we brought you a video about murderers who had been featured on television for something besides murder. That was not exactly a complete list. It's happened in the movies, too, when those involved in the production only found out much later that they'd been working with a murderer. Sometimes the murder came after the movie job, and sometimes they'd already committed the crime and just hadn't been caught yet. This happened to the cast of The Exorcist, The 40-Year-Old Virgin, and Felon. Plus there are two cases of a murderer on a TV series that didn't show up in the earlier video. One is about a Jeopardy! winner who went on to kill his wife, and the last case is a real mind blower- the murders happened to produce content for the television show! That complicated story and four others are all explained in a list at Cracked.