ATLANTA — The mother of a Georgia State University freshman who was shot and killed four years ago is making a new plea for information in her son’s unsolved murder.

Santeesh Crews-Williams says her son, Malang Touray, was 19 when he was shot and killed at an apartment complex on Campbellton Road.

“My son lost his life and since that day I have been left with questions that no mother should have to carry for this long. I’m asking for help,” Crews-Williams said.

Police say an argument apparently escalated into gunfire, but investigators have not been able to identify a suspect.

“Come forward, help me find the person who did this to my child,” Crews-Williams said.

Crime Stoppers is offering a $10,000 reward for information leading to an arrest and indictment.

Anyone with information can contact Crime Stoppers Atlanta at 404-577-8477.