DEL CITY, Okla. (KFOR) - The Oklahoma Highway Patrol has issued a Silver Alert for a missing Del City man. Donald Foster. Image courtesy OHP. According to OHP, 86-year-old Donald Foster is 5'9", 179 lbs. with black hair and brown eyes. He was last seen wearing a blue shirt, blue jeans and black shoes. LOCAL NEWS: Several critically injured after wrong-way crash in North OKC Officials say Foster is driving a 2024 black Nissan Sentra with a paper tag. He was memory issues and was recently diagnosed with cancer. If seen, call 911.