OKLAHOMA CITY (KFOR) - The Oklahoma Highway Patrol has issued a Silver Alert for 71-year-old Margaret Lindsey. Margaret Lindsey. Image courtesy OHP. According to OHP, Lindsey is 5'4", 120 pounds with short gray hair. She was last seen wearing a gray jacket, floral skirt and white shoes. She was last seen on foot near NW 122nd St. and Pennsylvania Ave. in Oklahoma City. If seen, call 911. ...read more read less