Columbia police are continuing to search for a 15-year-old boy was last seen earlier this month. According to a report in the Columbia Daily Herald, Dayton Cates was last seen leaving the Maury County Courthouse on February 11.Police are considering him an endangered runaway. Cates has blonde hair and brown eyes. He is around five feet, seven inches tall and weighs 150 pounds. He was last seen wearing a black jacket, blue jeans and blue t-shirt. The newspaper reported Cates is believed to be in the Columbia area. Anyone with information on his whereabouts is urged to contact the Tennessee Bureau of Investigation at 1-800-TBI or call police at 931-388-2727.*The Columbia Daily Herald contributed to this report.