A 20-year old Sedalia man is arrested on drug charges after a traffic stop over the weekend by the Missouri Highway Patrol. On Saturday afternoon, a trooper pulled over Bobby Williams in Camden County. Synthetic drugs were found in the vehicle. Williams was charged with possession of less than 35 grams of a synthetic cannabinoid, unlawful use of drug paraphernalia, and no seat belt. He was taken to the Camden County Jail.