Mark Harlan Jackson was 64 when he was last seen in San Bernardino County, California on August 31, 2015. He has not been heard from since and remains an open missing person case.

Jackson is described as a white male, 5 feet 10 inches tall, about 215 pounds, bald with blue eyes, and diabetic. On the day he disappeared he was reportedly wearing a blue and gray t-shirt, blue jeans, white sneakers and a white baseball cap. The San Bernardino Sheriff’s Department’s Rancho Cucamonga station is the investigating agency. Few details about the circumstances of his disappearance have been released.

If anyone saw Mark around August 31, 2015, or has information about where he might have gone, please contact the Rancho Cucamonga station.