The Hollywood Ripper terrorized Los Angeles. Four young women were attacked, with only one surviving. Experience the gripping investigation as "48 Hours" veteran Maureen Maher recounts over a decade tracking serial killer Michael Gargiulo. This two-part special reveals how "48 Hours" played a crucial role in cracking the case, unveiling shocking details and bringing a dangerous criminal to justice. Prepare for a chilling journey into one of the most disturbing crime cases in history.