FBI Office in Cook County, Illinois

FBI resident agencies serving the county region assist with the investigation of federal crimes including public corruption, organized crime, and crimes against children that affect communities throughout the area. There are 5 FBI Office locations in Cook County, Illinois.

County residents should be aware that FBI resident agencies typically handle cases under the supervision of the nearest field office, so major investigations may be coordinated at the field office level even if a resident agency is closer.

Residents of Cook County can contact the nearest FBI office to report federal crimes or submit tips online. For non-urgent matters involving internet fraud or financial scams, IC3.gov is the recommended reporting channel regardless of the local office location.

You may also find FBI Office locations in neighboring counties including Cook.