1x5 - Unmasking a Killer

With 51 attacks and 12 murders, the Golden State Killer is one of the most prolific uncaught serial killers in U.S. History … but who is he? Join us as investigators analyze the evidence and explore the various theories as to who this ruthless barbarian could be. What job could have afforded him the time for these heinous crimes? Where could he have lived? And how, for forty years, has he managed to fly so successfully under the radar? Now investigators believe the key to catching the Golden State Killer may lie in another series of unsolved crimes…