ATF Lab Helps Link Suspect to Officer's Killing
Forensic analysis of shell casings led to Joseph Brooks, who has pleaded guilty to the first-degree murder of Chicago police officer Aréanah Preston.
Chicago Law Enforcement News
Wisevoter covers law enforcement in Chicago, from department policy and federal agency operations to officer accountability cases and the reform debates that run alongside them. Cook County agencies and the city police department are the central institutions in the reporting.
Recent news
November 6, 2026
Chicago Police Rewrite Missing Persons PolicyThe Chicago Police Department finalized a 20-page-longer missing persons policy in February 2026 that requires officers to see missing persons in person before declaring them found.
November 5, 2026
Judge Lets Lawsuit Over Chicago Gun Arrests ProceedA federal judge ruled that a Black driver's suit alleging Chicago police target Black drivers with firearms can move forward.
November 5, 2026
Man Charged for Aiming Laser at Chicago HelicopterFederal prosecutors charged Allen Florence Jr. after he allegedly aimed a green laser at a Cook County Sheriff's helicopter on September 15.
November 3, 2026
Man Charged After Attacking Firefighter in ChicagoChicago police have charged Lamar Brown, 32, with aggravated battery and aggravated assault of a firefighter during a Sunday incident in Grand Crossing.
November 2, 2026
Ex-FBI Chicago Chief Sues Over OusterDouglas DePodesta alleges the U.S. Attorney and Justice Department defamed him and violated his rights after he resigned as head of the Chicago Field Office.
October 29, 2026
Chicago Police Officer Struck by Department VehicleAn officer remains hospitalized after being hit by a commander's vehicle during a foot pursuit.
October 28, 2026
Chicago Police Department Discontinues Roll Call PodcastThe department confirmed the end of the series following the departure of key staff members.
October 28, 2026
FBI Agent Kills Suspect in Chicago ShootoutAn off-duty FBI agent fatally shot a 27-year-old man after witnessing gunfire at a local homeless encampment.
October 28, 2026
Chicago Police Department Faces Persistent Budget OverrunsThe department exceeded its budget by $520.5 million between 2023 and 2025 while facing rising misconduct lawsuit costs.
October 27, 2026
Chicago Police Investigate King College PrepThe Chicago Police Department and its bomb squad are investigating sites in the Kenwood neighborhood.
More in Law Enforcement
This section follows use-of-force policy changes, federal operation outcomes, officer disciplinary proceedings, crime clearance rates and the deployment of new policing tools and technologies. Coverage runs through Lincoln Park, Wicker Park, Hyde Park, Logan Square and The Loop, and the Cook County courts and oversight bodies where accountability cases are heard. Chicago's law enforcement landscape carries a long history of reform efforts and consent decree activity, which gives the institutional dimension of policing coverage particular depth and continuity. Clearance rate trends and federal oversight milestones generate the most sustained coverage, since both move through institutional processes that play out across years and administrations.