Many Democrats saw the U.S. attorney as a promising candidate for several possible positions, including Indianapolis mayor, governor and U.S. Senator.
John Lee Adams III is accused of robbing the Peoples State Bank on Clarizz Blvd. on Bloomington's east side on Nov. 15 of last year.
Law enforcement confiscated thousands of dollars, guns and cocaine in the raids.
The U.S. Attorney says he is teaming up with other federal agencies to tackle public corruption.