FILE - In this Oct. 21, 2008 file photo, U.S Attorney Patrick Fitzgerald announces the indictment and arrest of retired Chicago police commander Jon Burge in Florida on federal obstruction of justice ... more 
FILE - In this Oct. 21, 2008 file photo, U.S Attorney Patrick Fitzgerald announces the indictment and arrest of retired Chicago police commander Jon Burge in Florida on federal obstruction of justice and perjury charges during a news conference in Chicago. On Wednesday, May 23, 2012, Fitzgerald's office in Chicago announced that he was stepping down as U.S. Attorney for the Northern District of Illinois effective June 30, 2012. (AP Photo/Charles Rex Arbogast, File) less 
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Associated Press | Photo By Charles Rex Arbogast, File
Wed, May 23, 2012 3:53 PM EDT