OI: Office Locations: Chicago Field Division - U.S. Treasury Inspector General for Tax Administration (TIGTA)

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Chicago Field Division

Dwaine Brinson
Special Agent in Charge

230 S. Dearborn St., Room 2064
Chicago, IL 60604
Tel: (312) 554-8751
Fax: (312) 554-8760

The Special Agent in Charge (SAC), Chicago Field Division, manages investigative personnel situated in Chicago, IL, Cincinnati, OH, Cleveland, OH, Detroit, MI, Grand Rapids, MI, Indianapolis, IN, Louisville, KY, Milwaukee, WI, and St. Paul, MN.


•	Terri Fiorini Sentenced for Unauthorized Inspection of Tax Return Information

•	Cynthia Lewis Pleads Guilty to Unauthorized Disclosure of Tax Return Information

•	John Williamson Sentenced for Retaliating Against IRS Employees



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Last Updated: June 15, 2012