Hillside Strangler: Devil in Disguise- A Harrowing True Crime Documentary about Kenneth Bianchi and Angelo Buono on Viasat True Crime.
This new true crime documentary series presents the chilling story of the serial murders committed by Kenneth Bianchi and Angelo Buono in late 1970s Los Angeles. The four-episode series premieres on Sunday, 12 October at 21:00 CET on Viasat True Crime, and features retrospectives, interviews, and insights into the behind-the-scenes investigation.
What is Hillside Strangler: Devil in Disguise about?
The series focuses on the gruesome murders carried out by cousins Kenneth Bianchi and Angelo Buono in Los Angeles in the late 1970s. Posing as police officers, they lured their victims and left their bodies scattered across the hillsides — hence the chilling name. The documentary reveals the background to the investigation, survivor testimonies and the psychological profiles of the killers.
When and where can you watch Hillside Strangler: Devil in Disguise?
The series premieres on Sunday, 12 October 2025 at 21:00 CET on Viasat True Crime. Subsequent episodes will air every Sunday at the same time.
Who were Kenneth Bianchi and Angelo Buono?
Kenneth Bianchi and Angelo Buono were cousins who were responsible for a series of brutal killings in Los Angeles. Initially, the media dubbed the case Hillside Strangler: Devil in Disguise, believing that a single perpetrator was responsible. However, later investigations revealed that there were two killers, hence the plural form of the name.
Why is the series called The Hillside Strangler?
The title refers to the nickname given to the case by the media. 'Hillside' refers to the hills around Los Angeles where the victims' bodies were found, and 'Strangler' describes the killers' method of murder.
Does the series cover the whole story?
Yes, the documentary details the entire investigation, from the initial murders in Los Angeles, to leads in Bellingham, Washington, and finally the arrests and interrogations. It includes reconstructions of events, interview footage and psychological analysis.
Which aspects of the investigation are shown?
The series covers the 1977 Los Angeles murders and the subsequent killings in Bellingham, Washington, where Kenneth was arrested. Key elements include recordings of Kenneth's psychiatric interrogation, which reveal shocking facts and shed new light on the killers' motives.
Narrative style and documentary approach
It combines crime reenactments, archival footage and interviews with police officers, investigators and forensic and psychology experts to create an engaging, multidimensional presentation of the case.
Why watch this series?
It tells the story of not only the bravery of the investigators, but also the complexity of human nature. The documentary transcends the typical true crime genre by giving a voice to the victims and showing the real impact of the crimes.
Key information on Hillside Strangler: Devil in Disguise
- Genre: True crime documentary
- Premiere: Sunday, 12 October 2025, at 21:00 CET
- Broadcast: Weekly on Sundays at 21:00 CET
- Episodes: 4
- Topic: The story of serial killers Kenneth Bianchi and Angelo Buono.
Trivia and Background
- Location of “Hillside”: The term stems from Los Angeles hillsides where victims’ bodies were found.
- Historical context: The murders occurred in autumn 1977, causing widespread fear in the city.
- Key breakthrough: Kenneth’s arrest in Bellingham and links to Angelo marked the turning point in the case.
FAQ – Frequently Asked Questions
- On which channel does the series air?
Only on Viasat True Crime.
- Is the series available via streaming or VOD?
No, currently only on broadcast television.
- How many episodes are there?
There are four weekly episodes.
- When is the premiere and what time?
October 12, 2025 (Sunday) at 21:00 CET.
- Why is it called “The Hillside Strangler” if there were two killers?
Media initially believed the murders were committed by a single person, hence the name. It was only later revealed that cousins Kenneth Bianchi and Angelo Buono were responsible, but the original name remained.
- What makes this series stand out among true crime productions?
It offers captivating fact reenactments, psychological insights, and voices of people directly involved, providing a fuller view of tragedy and investigation.
