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 ...

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

New judge orders Tim O'Connell, 36, to be detained pre-trial in Cook County Jail after prosecutors argue on the third try.

A 39-year-old Chicago man is headed to prison for 11 years after sheriff's investigators say he slipped into virtual court hearings, posed as a defense attorney, and walked away with thousands of ...

Cook County sheriff’s officials arrested a Chicago man for orchestrating a fragrance return fraud scheme involving more than ...

Illinois Cook County Sheriff investigators recovered $300,000 worth of copper wire and $1 million in other data center equipment from a truck yard.

The Cook County Sheriff's Office recovered $1.5 million worth of laptops when they found a trailer that had been stolen last week. Law enforcement said their Organized Retail Theft investigators were ...

Sheriff Tom Dart is personally leading a transit task force, required by the newly enacted sweeping transit law, that will decide early next year whether to recommend creating a unified police force ...

In mid-February, a team from DLR Group, an international architectural firm, met with a coterie of local government officials to unveil plans for an open, airy 22,000-square-foot building it had been ...