Aaron De’Warner Vaughn, Sr. was 40 when he was killed in Memphis, Tennessee, on September 9, 2012.

The homicide remained unsolved long after the killing. The Memphis Police Department continued to list his death as an open case; no arrests or publicly identified suspects have been reported.

If anyone knew Aaron, was in the Millington or Memphis area in September 2012, or has information that could help investigators, please come forward. Who can add details about that day or about Aaron’s life?