The Greer Police Department is investigating a shooting that happened in the parking lot of a McDonald's.According to officers, at about 5 p.m. on Sunday, they were called to the McDonald's location at 6125 Wade Hampton Boulevard. Officers said when they arrived, they learned the suspects involved had already left. They said during the shooting, a vehicle in the parking lot was struck by a bullet, as well as one of the windows of the business. Officers said one employee that was inside was treated on scene for a minor injury. Detectives are currently attempting to identify those involved in the shooting.They ask anyone with any information to contact the Greer Police Department at (864) 848-2151.