The man robbed the TCF Bank at 7122 W. 40th St., according to the FBI's BanditTracker Chicago website.
He's described as a black man, 5-foot-9 to 5-foot-10 with brown hair and brown eyes. He was wearing a dark ball cap, the FBI said.
The bank robbery was not a takeover robbery and no weapon was shown. A reward is being offered and anyone with information should call the FBI at (312) 421-6700.
(Source: Sun-Times Media Wire - Copyright Chicago Sun-Times 2012.)