UPDATE | April 9, 2026 — Zamien Rivas has been formally charged with first-degree murder.
UPDATE | April 3, 2026 — The Thornton Police Department announced it has arrested 25-year-old Zamien Rivas in connection with this homicide case. Police say the victim and Rivas knew each other. Rivas was taken into custody on April 2 on a murder charge.
The department said the victim's injuries were from a stabbing.
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THORNTON, Colo. — Police in Thornton are investigating a homicide after a 29‑year‑old man was found bleeding with a wound on Wednesday night.
Officers found the man near E. 88th Avenue and Grant Street just before 11 p.m. after responding to a report of someone bleeding, according to Thornton Police.
Officers provided aid to the victim until paramedics arrived. The man was taken to a hospital, where he later died.
His identity is being withheld pending confirmation and notification of family. His cause of death has not been released.
Police have made no arrests but say detectives are interviewing witnesses and pursuing leads.
Anyone with information is asked to call the Thornton Police tip line at 720‑977‑5069.
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