UPDATE: Illinois Gov. Rod Blagojevich is scheduled to appear in court Tuesday afternoon before U.S. district court judge Nan Nolan. The Chicago Tribune reports that Blagojevich’s former chief of staff, John Wyma, now an influential state lobbyist, cooperated with the government’s investigation. Wyma has retained former federal prosecutor and current Latham & Watkins litigation partner Zachary Fardon as counsel.

Illinois Gov. Rod Blagojevich and his chief of staff John Harris were arrested in their homes by FBI agents on corruption charges Tuesday morning.