Mauricio B. Baires was 20 when he was killed by gunfire in Aurora, Colorado, on April 5, 2003. Police were first sent to 12085 East Colfax Avenue after shots were reported; witnesses said two vehicles were involved in a confrontation and left the scene. Officers later found Baires in the alley running through the 1200 block between Newark and Nome Streets with a gunshot wound to the head. He died of his injuries.

Witnesses described the shooter as a Black male with a light complexion, wearing a white T-shirt, hair in braids, and a thin mustache with a goatee and/or beard. Two vehicles were seen fleeing immediately after the shooting, suggesting others may have information about the incident. No arrests or named suspects have been publicly reported and the case remains unsolved.

Anyone who remembers that night, saw the described vehicle movements, or has information about the man witnesses described is urged to come forward.