 A county executive says Delegate Anderton served Wicomico County and its constituents well since 2015 and will be remembered for his support of the local community during his time in Annapolis. Mark was last seen on Wednesday in the area of Bi-State Boulevard. Attempts to locate him have been unsuccessful. There is concern for his safety. Mark is white, about 5'10", 220 pounds, with brown, gray hair and blue eyes. He was last seen wearing jeans, a white t-shirt and work boots.