The Cook County Sheriff's Office is warning the public of an ongoing phone scam.

Federal authorities sent Cook County Sheriff Tom Dart subpoenas for inmates wanted for civil immigration enforcement along ...

A surge in Cook County Sheriff's Police patrols on Chicago Transit Authority trains is producing hundreds of arrests and ...

Professionalism, accountability and a safe system for riders are among Cook County Sheriff Tom Dart’s goals in heading up a regionwide task force tackling crime on public transit. But whether it’s a ...

U.S. Immigration and Customs Enforcement is threatening to have Cook County Sheriff Tom Dart criminally charged. In letters ...

Cook County Jail staff were checking a new arrestee when they made a surprising discovery.

The Cook County jail’s shuttered Division IV dormitory buildling, 2717 S. Sacramento, is slated for demolition in 2026. Credit: Darius Norvelius/Flickr via CC BY-NC 2.0 In early October, a coalition ...

A new initiative at the Cook County Sheriff's Office hopes to help people with autism communicate better with police. The "Blue Envelope Program" provides a safe place to store driver's licenses, ...

COOK COUNTY, Ill. (WGN) — A heartfelt reunion took place Tuesday, weeks after a Cook County police officer’s quick thinking helped save a mother choking on the side of the road. Cook County sheriff’s ...

A drone from Skydio over a patrol vehicle. The Cook County Sheriff’s Office this summer and fall tested Skydio drones provided to the agency at no charge. Credit: Courtesy Skydio The Cook County ...