Late on June 5, 1977, 28-year-old Arthur Rivera was shot and killed during a dispute at the La Bailarina Lounge, 931 Santa Fe Drive, in Denver. According to reports, the altercation escalated near closing time when an unidentified person produced a firearm and shot Rivera; the shooter then fled the scene.

No arrests have been announced and the case remains an unsolved homicide. The Denver Police Department has labeled the investigation cold, and the family still seeks answers about who was responsible for Arthur Rivera’s death.

If anyone was at La Bailarina Lounge that night or has information about the shooting, please share what you know with investigators.