(Hamilton)--Police are looking for a man they believe robbed a west side drug store earlier this month. Warrants have been issued against 39 year old Edward McKnight, who allegedly held up the Walgreen's store at Main & Millville on March 15th at 6:32pm. Police say McKnight used a handgun during the heist, and got away with an undetermined amount of cash. McKnight is described as white, 5'8" tall, approximately 150 lbs. with brown hair and blue eyes. His last known address is Sherman Avenue. Anyone who knows McKnight's whereabouts should call HPD at (513) 868-5811 x 2002, Crime Stoppers at (513) 352-3040, or call 911.