Is The Hillside Strangler coming back?

The Hillside Strangler ended on December 28, 2021, on Investigation Discovery. The series concluded its single season with a total of three episodes, and there are no upcoming episodes scheduled. The show aired its final episode on the same date it premiered, bringing its investigation into the notorious 1970s Los Angeles serial killer to a close.

The series was a crime documentary that explored the case of the serial killer known as The Hillside Strangler, who operated in Los Angeles during the 1970s. It focused on the investigation and the complex psychological aspects involved, particularly the claims made by Kenneth Bianchi, who was arrested in 1979 and suspected of being the killer. Bianchi asserted that he was not the perpetrator but was instead suffering from multiple personality disorder, with one personality named 'Steve.' The show used interviews with psychologists and psychiatrists to delve into these claims and the broader context of the case.

The runtime for each episode was approximately 43 minutes.