Thornton Metro Shooting Alerts

Thornton Harrison Street Homicide

Thornton Harrison Street Homicide

Key Questions

What happened on Harrison Street in Thornton?

Four people were found dead inside a home in the 13900 block of Harrison Street in Thornton, Colorado, north of Denver. Police are investigating the deaths as a homicide.

Is there an ongoing threat to the public?

Authorities have stated there is no ongoing threat following the incident. The situation is being treated as an isolated event.

What do reports indicate about the cause of the deaths?

Thornton police reports suggest a Colorado man fatally shot his family before taking his own life. The investigation remains active to confirm details.

Where did the incident occur?

The deaths occurred inside a residence north of Denver in Thornton, Colorado. Police responded to the 13900 block of Harrison Street on Friday night.

What is the status of the police investigation?

The case is developing with Thornton police continuing to investigate the homicide. Follow-up is underway regarding the cause and any suspects involved.

Four people found dead in a home on Harrison Street in Thornton; police investigating as homicide with no ongoing threat. Major local incident requiring follow-up on cause and suspects.

Sources (4)
Updated May 24, 2026