Comey said he has appointed Patrick Fitzgerald -- currently the Chicago-based U.S. Attorney for Northern Illinois -- as the special prosecutor to take over the investigation.

CNN: Ashcroft recuses himself from CIA leak probe

It's far too early to know who will prevail in the lawsuit, which was filed Friday in U.S. District Court in Northern Illinois.

WSJ: Motorola's Suit Poses Challenge for Huawei's Success

Since 1973, for example, 27 Chicago Aldermen have been convicted by U.S. Attorney of the Northern District of Illinois.

FORBES: Illinois: State Of Embarrassment