A shoplifter used a stun gun to attack a security guard when he tried to keep her from leaving the store with a purse full of stolen liquor last month.The Pima County Sheriff's Department released a surveillance photo and video footage of the woman and a male accomplice suspected in the Sept. 21 theft and attack at the Safeway grocery store, 7110 N. Oracle Road at West Ina Road.The pair entered the store at about 6 p.m. and the a loss prevention officer saw the woman put two bottles of liquor in her purse as her accomplice stood by, Deputy Courtney Rodriguez, spokeswoman for the sheriff's department, said in a news release."When the suspects walked out of the store, the loss prevention officer stepped in front of them and identified himself," Rodriguez said. That's when the woman "reached into her purse and pulled out an electronic stun gun device. She pressed the device against the chest of the loss prevention officer and activated it, causing him to fall down. This incapacitated the store employee and both suspects left the area in a white vehicle."The woman was wearing a green shirt and denim shorts and black tennis shoes and the man was wearing a black T-shirt, jeans and a black hat during the attack. Sheriff's department officials did not provide a physical description of the suspects.Anyone with information about the incident or the identity of the suspects should call 911 or 88-CRIME.