On Thursday, January 24, 2019, at approximately 11:30 p.m., an ISP District 21 Trooper conducted a traffic stop for a moving violation southbound on Interstate 57 at milepost 321. A District 21 K-9 unit was requested and a positive alert led to a probable cause search of the vehicle. Officers seized approximately 12 ounces of suspected powder cocaine from the inside of the vehicle. Arrested was Richard A. Willison, age 33, of Chebanse. Willison was charged with unlawful possession of a controlled substance with intent to deliver. Willison was transported to the Jerome Combs Detention Center. KAMEG assisted in the investigation.