He charmed his way onto "The Dating Game", but Rodney Alcala was a sinister predator. This chilling episode of "48 Hours" delves into the case of this notorious serial killer, revealing his horrifying crimes and the chilling game he played with his victims. Even years after the initial investigation, new evidence emerges, leaving you on the edge of your seat. Watch now and uncover the dark secrets of one of America's deadliest serial killers.