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COPA Cases - By Complainant or Subject

Published by data.cityofchicago.org | City of Chicago | Catalog Last Checked: September 10, 2026 at 06:02 PM | Dataset Last Updated: August 25, 2026
Complaints received by the Civilian Office of Police Accountability and its predecessor agency. A case will generate multiple rows, sharing the same LOG_NO if there are multiple complainants or subjects. Each row in this dataset is a complainant or subject in a specific case. Other than identifying the Log Number associated with an investigation being conducted by the Bureau of Internal Affairs section of the Chicago Police Department, information regarding such investigations is not included in this data set. The data contained in this report represents the most accurate information available at the time of update. However, the information stored in the database is dynamic and can change as a complaint progresses.

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