Casimiro Villalobos, a 39-year-old man recently arrived in Denver after returning from Mexico, was shot and killed on the evening of June 14, 1981. He had been at the Elbow Room Lounge at 20th and Larimer Streets and went into the bar’s restroom; shortly afterward a gunshot was heard. When the restroom was entered, Villalobos was found and was pronounced dead at the scene.

The Denver Police Department responded and opened a homicide investigation, but the person or persons responsible were never identified. No arrests have been announced and the case eventually grew cold, remaining an open and unsolved homicide.

Was anyone in Denver’s nightlife that night or with memories of the Elbow Room Lounge able to help shed light on what happened to Casimiro Villalobos?