The robberies took place April 10 at the North Community Bank branch at 3420 N. Clark Street in Chicago; March 10 at the North Community Bank branch at 2335 N. Clark Street in Chicago; and April 17 at Eden's Bank at 5225 W. Dempster in Skokie.
Anyone with information should call the Chicago FBI office at 312-421-6700 or your local FBI office.