About 1:15 p.m. Wednesday, police were called to the intersection of North Hairston Road and Central Drive regarding the shooting and found Cooley’s body at the Quick Stop Food Mart, The AJC previously reported.
Police also received 911 calls from nearby Chevron and Citgo stations, which were taped off during the investigation.
“Evidence showed that the suspects were shooting from the other locations,” Campbell said.
Police earlier said a second person was in custody but have not specified if that was still the case by Thursday afternoon.
In other news:
Police say a man was pulled over and robbed by a man posing as a Clayton County Sheriff's Deputy.