The City of Chicago Office of Inspector General (OIG) is an independent, nonpartisan oversight agency whose mission is to promote economy, effectiveness, efficiency, and integrity in the administration of programs and operation of City government. OIG conducts investigations, audits, evaluations, and reviews examining issues regarding City employees, elected and appointed officials, vendors and contractors, and programs and operations of the City.

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The public is encouraged to submit suggestions, comments, and complaints online at www.igchicago.org or by calling the OIG Tipline at 866-448-4754  (TTY: 773-478-2066). Anonymous tips are accepted.