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 ...

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

The suspects were arrested and charged following an undercover drug bust near the South Loop corridor.

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 me ...

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 ...

Cook County Sheriff Tom Dart’s push to expand the network of automatic license plate readers under his control prompted hours of debate and opposition from county commissioners Wednesday concerned ...

The Cook County Sheriff’s Office uses CodeRED to get emergency messages out to community members. The system allows us to ...

This declaration enables Cook County to request state public emergency and disaster assistance in accordance with local, ...