The Cook County Sheriff's Office released details on five recent criminal cases across the Chicago area. Here's what we know.

The Cook County Sheriff's Office has been a part of Illinois' enhanced CTA security plan and state-led task force dedicated to making it safe since the end of March. Their officers have worked more ...

On Tuesday afternoon, five Cook County sheriff's police officers and a social service worker set off to patrol the West Side branch of the CTA's Green Line. The goal: To send a message that even the ...

Lavette Mayes had already spent 425 days locked up in the Cook County jail when she found herself in front of a judge in 2016. The Chicago Community Bond Fund had just helped her buy her freedom, and ...

Two people are facing felony gun charges after separate Cook County arrests on the same day. Here's what sheriff's police say ...

A Cook County Sheriff's substation was supposed to open in the South Loop near the Roosevelt CTA Red Line stop on June 1, but now we're learning it could open as soon as Monday. The substation is ...

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 ...

Chicago investigators say they have cracked a pricey perfume return scheme, arresting a local man after finding hundreds of ...

CHICAGO (WLS) -- Theft from rail cars costs consumers billions of dollars every year. Described as dangerous and costly, lawmakers say these sophisticated criminal networks are an urgent threat. Most ...

Cook County sheriff's officials arrested a Chicago man for orchestrating a fragrance return fraud scheme involving more than 700 high-end fragrances estimated at $250,000, law enforcement said. Philip ...

A former Cook County sheriff’s deputy is running to become DuPage County’s next sheriff. Robert Carroll, who also worked briefly as a spokesman for DuPage County Sheriff James Mendrick, announced ...