Type(s)
Critical Incidents
News Release
On October 11, 2026, at approximately 9:33 p.m., Thornton Police officers responded to the 12800 block of Ulster Street to investigate a report of an unwanted person.
While officers were on scene speaking with the reporting party, the suspect fired multiple rounds at officers, striking one Thornton Police officer. The injured officer was transported to an area hospital with serious but non-life threatening injuries. A second Thornton Police officer returned fire during the incident. At this time, investigators have not determined whether the suspect was struck by the officer's gunfire. The suspect fled the scene and remains at large.
The suspect has been identified as Luis Arebalo (DOB: March 3, 1989). Arebalo is described as 5 feet 9 inches tall, weighing approximately 180 pounds, with brown hair and brown eyes. He was last seen wearing a black short-sleeved shirt and dark-colored pants.
Arebalo is considered armed and dangerous. Members of the public are urged not to approach or attempt to contact him. Anyone who sees Arebalo or has information regarding his immediate whereabouts should call
911.
Thornton Police investigators are actively working to locate Arebalo and continue to pursue investigative leads. Anyone with information that may assist in this investigation is encouraged to contact the Thornton Police Tip Line at (720) 977-5069.
Additional information will be released as it becomes available and as the investigation allows.
