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The New York City Department of Investigation (DOI) is one of the oldest law-enforcement agencies in the country and an international leader in the effort to combat corruption in public institutions. DOI’s strategy attacks corruption comprehensively through systemic investigations that lead to high-impact arrests, preventive internal controls and operational reforms that improve the way the City runs.


What’s New:

DOI Statement on Prison Sentence for Former City Correction Officer Convicted of Accepting Bribes and Conspiring to Smuggle Dangerous Contraband into Manhattan Detention Complex
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2015 By The Numbers
Report Corruption
Commissioner Mark G. Peters
Significant Cases