BIA Cases: Chicago Police Misconduct Complaints by Involved Officer

BIA Cases - By Involved Officer contains complaints received by the Chicago Police Department Bureau of Internal Affairs for misconduct not under COPA's jurisdiction. The dataset is structured with one row per officer involved in a case, linked by a LOG_NO identifier. It is published by data.cityofchicago.org and was last updated on 2026-04-03 12:31:36.

Use Cases

• Analyzing demographic patterns of complaints using SEX_OF_INVOLVED_OFFICER, RACE_OF_INVOLVED_OFFICER, and AGE_OF_INVOLVED_OFFICER.
• Modeling case outcomes by predicting FINDING_CODE or CURRENT_STATUS from features like CASE_TYPE, FINAL_CATEGORY, and YEARS_ON_FORCE_OF_INVOLVED_OFFICER.
• Investigating temporal trends in complaints using COMPLAINT_DATE, COMPLAINT_MONTH, COMPLAINT_HOUR, and COMPLAINT_DAY.
• Aggregating complaints by geographic area using BEAT and linking multiple officers to a single case using LOG_NO.

Strengths

• Includes detailed officer demographics and case attributes across 15 columns.
• Provides a structured key (LOG_NO) to link multiple officers involved in the same complaint case.
• Explicitly defines the scope of misconduct investigated, such as criminal misconduct, theft, and substance abuse.

Limitations

• Row count is unknown, which may limit suitability assessment.
• Description metadata is limited; actual data quality requires manual inspection after download.

Provenance

Source

data.cityofchicago.org

Collection Method

Complaints received by the Chicago Police Department Bureau of Internal Affairs.

Freshness

Last updated 2026-04-03 12:31:36; freshness should be verified.

Geography

Chicago, Illinois, USA