On the night of December 30, 2018, 19-year-old Ajan Manley Walker of Stone Mountain, Georgia, was found lying in the middle of Mackin Street with at least one gunshot wound. Paramedics who arrived at the residential scene pronounced him dead. Stone Mountain police responded to reports of gunfire and opened a homicide investigation.

Authorities assigned a detective to the case and asked the public for help, providing a contact number for anyone with information.

Anyone who knew Ajan, was in the area that night, or has information that could assist the investigation is urged to contact the detective handling the case.