In January of 1947, the mutilated body of young Hollywood actress Elizabeth Short was discovered in a vacant lot in Los Angeles. The press gave her the nickname, "The Black Dahlia," stemming from a popular crime film, and her case gripped headlines when the killer sent handwritten notes to the tabloids. Former Los Angeles Detective Steve Hodel believed his father was the killer, but Elizabeth's murder still remains unsolved. “48 Hours" correspondent Erin Moriarty reports. This classic "48 Hours" episode last aired on 8/29/2006. Watch all-new episodes of “48 Hours” on Saturdays, and stream on demand on Paramount+.