Senior Alert canceled after missing Loudoun Co. man found safe By: Web Staff and last updated 2020-12-29 04:38:02-05 The Senior Alert for Loudoun County man has been canceled. The Loudoun County Sheriffâs Office was looking for Albert Vandegriek Jr., 89, who was last seen Monday at 12:45 p.m. on Providence Village Drive in Sterling. Police say he is 6â 2â with black eyes, and white hair. He was possibly wearing blue sweatpants, blue shoes, and a blue sweatshirt. According to officials, he was also possibly driving a white 2004 Subaru Outback wagon with Virginia plates: ZJ-2363. The vehicle has a wheelchair carrier on the back.