The shooting occurred about 12:20 p.m. when the customer inside the store along Tara Boulevard shot himself in the leg, Lovejoy police spokesman Sgt. Akeem Turnbull said. The bullet then ricocheted, striking three other people, according to authorities. All of the injuries were not considered life-threatening.
According to police, the armed man, identified as 29-year-old Michael Walton, did not have his gun secured in a holster while it was loaded.