OKLAHOMA CITY (KFOR) — The Oklahoma City Police Department has issued a Silver Alert for an 82-year-old man last seen in northeast Oklahoma City. According to OKCPD, Robert Jackson walked away from a home near NE 47th and Lottie. Robert Jackson. Image courtesy, Oklahoma City Police Department. Authorities say he has several medical issues which acquire medication and medical attention. If you see Jackson, please call 911.