The United States attorney for the District of Indiana was responsible for representing the United States in the United States District Court for the District of Indiana. The U.S. attorney prosecuted criminal cases and acted on behalf of the federal government both defending and prosecuting civil cases. The District of Indiana was created on March 3, 1817. The longest established district, at 111 years, it was finally divided into the Northern District of Indiana and the Southern District of Indiana on April 21, 1928.