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Harrison Street Horror: Four Found Dead Inside Thornton Home

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Published on May 23, 2026
Harrison Street Horror: Four Found Dead Inside Thornton HomeSource: Tex Texin from Blogosphere, Cyberspace, CC BY 2.0, via Wikimedia Commons

A quiet Wednesday night in Thornton turned grim on May 22 when four people were found dead inside a home on the 13900 block of Harrison Street, according to police. Family members had called for help after finding several people unresponsive shortly after 8 p.m., and officers arrived at a scene that detectives are now treating as a homicide investigation. Police say there is no ongoing threat to the public.

What police released

In a Thornton Police Department update, officials said officers were dispatched after a family member reported multiple residents unresponsive inside the Harrison Street home. Officers entered the residence and found four people who were described as "obviously deceased." Detectives immediately opened a homicide investigation.

According to the department, investigators are processing the scene and interviewing witnesses, and at this point do not believe there is an ongoing threat to the wider community. The identities of the four people are being withheld until the Adams & Broomfield County Office of the Coroner can complete identification and notify next of kin.

Investigation, tips and next steps

The investigation remains active, and detectives say follow-up work is ongoing. Anyone with information is asked to call the Thornton Police tip line at 720-977-5069 or check the Thornton Police Department news page for updates and contact details.

The Adams & Broomfield County Office of the Coroner is responsible for confirming identities and handling next-of-kin notification. Procedures and contact information are posted on the office website at the Office of the Coroner. Police say additional information will be released when appropriate as the case moves forward.