The Cook County Sheriff's Office released video showing a deputy saving a man who stopped breathing following a bad crash on ...

Voters in Cook County will be casting their ballots for several offices, including two countywide officials facing primary challenges.

Police from the Cook County sheriff’s office will patrol the CTA as the mass transit agency tries to head off threats from ...

Cook County Sheriff Thomas Dart is running unopposed. Votes will be counted in contested races after polls close in Illinois ...

CHICAGO (WLS) -- Three men have been charged in a train burglary in Englewood earlier this month, the Cook County Sheriff's Office said. The Cook County Sheriff's Police Community Safety Team was ...

The Cook County Sheriff's Office released new footage of a deputy saving a man's life on I-90.