Chattanooga Police look for a robbery suspect who pointed a gun at an officer.
It happened on Monday night at the Kanku's Express on Highway 58.
Chattanooga Officer Dewayne Prater saw the suspect point a gun at the clerk, and demand money.
The officer confronted him as he left, and the suspect pointed a gun at the policeman.
Officer Prater fired several shots, but the suspect got away.
He was last seen wearing a Halloween mask, and a dark gray sweatshirt over a white t-shirt.
If you know who the suspect is, call Chattanooga Police.