Matthew Bradley, 28, a resident of Oakland, was killed on January 20, 2012, in West Oakland near Adeline and 21st Street. The incident was first reported as a possible robbery. Officers found Bradley with severe blunt-force trauma and he was pronounced dead soon after their arrival.

Investigators identified DeShaughn D. Johnson in connection with the case. Video showed Johnson repeatedly assaulting Bradley; Johnson was arrested and charged with murder and held in custody without bail. The death highlights ongoing violence challenges in parts of Oakland and the criminal history noted for the person charged.

If anyone witnessed the attack near Adeline and 21st Street on January 20, 2012, or has information that could help clarify what happened, please come forward.