Police in Marshall are searching for a missing teenager.  14-year-old Joseph Hindenach was last seen at 4:30 in the afternoon Tuesday on East Michigan Avenue.  He is described as white, standing 5 feet 5 inches tall with brown hair and a thin build.  He was last seen wearing a lime green t-shirt, black shorts, white socks, slip on shoes and glasses.  Anyone with information on his whereabouts is being asked to contact the Marshall Police Department.