Unmasking a Killer

Known first as the East Area Rapist, then the Original Night Stalker, and now the Golden State Killer, he's responsible for a staggering 50 rapes and 12 murders - that we know of.

Delve into the creepy, sadistic methods of the Golden State Killer, find out his signature calling card and discover how law enforcement was able to link his crimes long before DNA.

The Golden State Killer wreaked havoc in California and changed our nation's laws as we know them. Yet, for forty years this perverse predator has evaded capture...why couldn't he be stopped?

When dealing with a serial rapist and killer, it's not only the crime scenes that are revealing, it's also the serial behaviors that offer clues of the offender's identity. Criminal psychologists show us the hidden meaning behind the Golden State Killer's crimes and reveal what this tells us about him.

Investigators analyze the evidence and explore the various theories as to who this ruthless barbarian could be. Perhaps the key to catching the Golden State Killer may lie in another series of unsolved crimes.

Just days after the 5th episode aired in April 2018, police get the break they have needed for the past 4 decades. One investigator made the amazing discovery after years of dead ends, but he refused to give up.

Now that the police have their man, investigators delve into the history if the killer and the investigation, including interviews with people who knew him.