Authorities are releasing surveillance photos of a man suspected of robbing a bank Thursday morning in west suburban Naperville.
Police responded to the BMO Harris Bank branch at 1795 S. Washington St. after a panic alarm was activated just before 10:20 a.m., Naperville police said.
They later learned the bank had been robbed.
The suspect is described as a white man about 5-foot-9 to 6 feet with short brown hair, the FBI said. He was wearing a dark T-shirt.
Anyone with information should call the FBI at (312) 421-6700.