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The purpose of the National Decertification Index (NDI) is to serve as a national registry of certificate or license revocation actions relating to officer misconduct. The records contained in the NDI are provided by participating state government agencies and should be verified with the contributing authority. Inclusion in the database does not necessarily preclude any individual from appointment as an officer.

Learn more about accessing the NDI here.

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Advancement Project Policing Demands

In the aftermath of George Floyd and Breonna Taylor’s murders by the police, we know now it is not the...

Cop Cities, USA

An interactive map documenting efforts to build cop city training complexes around the US, including a spreadsheet with relevant information....

#AssaultAtSpringValley: An analysis of police violence against Black and Latine students in public schools (2023 Update)

This edition updates those findings through the 2022-23 school year with analysis of 372 assaults and includes additional data points,...