A man robbed a bank Thursday morning in Oak Lawn, his fourth south suburban heist since August.
The non-takeover robbery happened at 11:51 a.m. at the TCF Bank branch at 9801 S. Cicero Ave. in Oak Lawn, FBI spokesman Garrett Croon said.
The suspect was described as tall, stocky black male wearing a black hoodie, black-framed glasses and a skullcap, Croon said. He is about 6-foot-2 to 6-foot-4 and 250 pounds.
The same suspect is believed to have committed three other bank robberies:
- at 3 p.m. Aug. 9 at the U.S. Bank branch at 8739 S. Harlem Ave. in Bridgeview;
- at noon Aug. 25 at the BMO Harris branch at 4050 W. 147th St. in Midlothian; and
- at 11:03 a.m. Sept. 17 at the U.S. Bank branch at 10270 Central Ave. in Oak Lawn.
He has not showna weapon during any of the robberies.
Anyone with information about the robber is asked to call the FBI at (312) 421-6700.

Surveillance photos of the man suspected of robbing fourth south suburban banks. | FBI photos