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BIA Cases - By Involved Officer

Published by data.cityofchicago.org | City of Chicago | Metadata Last Checked: February 21, 2026 | Last Modified: 2026-02-21
Complaints received by the Chicago Police Department Bureau of Internal Affairs (BIA). BIA investigates complaints of police misconduct that do not fall under the jurisdiction of the Civilian Office of Police Accountability (COPA). Types of misconduct investigated by BIA include the following (not a complete list): Criminal misconduct Operational violations Theft of money or property Planting of drugs Substance abuse Residency violations Medical roll abuse A case will generate multiple rows, sharing the same LOG_NO if there are multiple officers. Each row in this dataset is an officer in a specific case. To file a complaint with either BIA or COPA, please see https://www.chicagocopa.org/complaints.

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