The Brief Sheriff's police say they found a loaded gun in Terrell Washington's vehicle during a Sept. 14 traffic stop. He was ordered into Cook County Jail custody the day after his arrest. A 40-year-old Chicago man was arrested earlier this month in River North after the Cook County Sheriff's Office says a loaded gun was found in his vehicle during a traffic stop. During a search of the car, officers said they recovered a loaded gun. He was ordered into custody at Cook County Jail.