According to a news release, officers arrived on Cary Drive at 4:41 a.m. on Saturday and found the victim lying in the back seat.
Others in the vehicle told officers they were there to purchase illegal drugs when a man shot into their vehicle.
The victim was taken to Medical College of Georgia Hospital for treatment and was listed in critical condition.
Anyone with information should call the Aiken County Sheriff’s Office at (800) 922-9709 or Midlands Crimestoppers at (888) CRIME-SC. Callers can remain anonymous and will be eligible for a reward.