An Illinois man has pleaded not guilty in the bombing of a mosque in Minnesota, three weeks after two of his alleged accomplices pleaded guilty.

Federal prosecutors allege 47-year-old Michael Hari was the ringleader of an Illinois-based militia and that the trio drove more than 500 miles (800 kilometers) to bomb a mosque in Bloomington, Minn., in hopes of scaring Muslims into leaving the U.S.

Read more: Minneapolis Star Tribune