Operation Greylord was an investigation conducted jointly by the Federal Bureau of Investigation, the IRS Criminal Investigation Division, the U.S. Postal Inspection Service, the Chicago Police Department Internal Affairs Division and the Illinois State Police into corruption in the judiciary of Cook County, Illinois (the Chicago jurisdiction). The FBI named the investigation "Operation Greylord '' after a local racehorse.
operation greylord took place in the 1980s and targeted
corruption in the judiciary of Cook County, Illinois (the Chicago jurisdiction)