Hollywood has given us some incredible mysteries over the years. But, ironically, a lot of them didn't happen on the big screen or on TV. Because a lot of them actually happened off-camera. Meaning in real life. Scandals, disappearances, and suspicious deaths: Tinseltown has been the setting of a lot of crime. And plenty of those crimes, some decades-old, remain mysteries today. So here are some of Hollywood's most shocking unsolved crimes.