Kenyatha Walker was 35 and working as an armed security guard at Supa D’s Bar on East Skagway Avenue in Tampa on July 20, 2014. During his shift he was shot in the bar’s parking lot and died at the scene.

The attacker was described as a black male armed with an assault rifle; no suspect has been identified and the case remains an unsolved homicide. The Tampa Police Department is asking anyone with information to come forward.

If anyone remembers that night or saw someone leaving the bar’s parking lot with a long gun, contact investigators with any details.