Ken Bianchi claims responsibility for the 'Hillside Strangler' murders in Los Angeles. But there's a catch - he blames the murders on his multiple personality 'Steve' and his cousin Angelo Buono. Investigators must determine if he's credible or a pathological liar. Stream all 3 episodes of 'The Hillside Strangler' now on #discoveryplus. | Investigation Discovery

The Hillside Stranglers terrorized Los Angeles for months, then suddenly stopped. They toyed with police, dumping a body with City Hall in the background, sending a chilling message. An eerie calm fell as the killers vanished, leaving everyone wondering when they would strike again. #HillsideStranglers #LosAngeles #truecrime #unsolvedmysteries #crimehistory | Real Crime