Lufkin, TX - Lufkin Police are investigating an auto-pedestrian accident that left an Angelina County man dead Monday night. At 10:55p.m. William A. Gilliland. 49, was struck and killed in the 3000 Block of E. Denman (Hwy. 69) when he apparently stopped and got out of his vehicle to remove some debris from the road. It's believed the debris may have blown out of his pickup. Gilliland was pronounced dead at the scene.