A Silver Alert has been issued for missing John Horn, 72, from Houston.
Horn was last seen in the 16900 block of Mathis Church Road around 5:50 a.m. Monday.
Horn was last seen wearing a black leather cap, blue jacket, white shirt and black pants. He is described as a black male, 5'9" tall, 135 pounds, with brown eyes and gray hair.
He is believed to be driving a white 2011 Hyundai Tuscon with TX plate 1KWGK.
Anyone who has information on his whereabouts is asked to call the Harris County Sheriff's Office at 713-221-6000.