In this Aug. 29, 1991, file photo, Tommy Thompson stands at the helm of the Arctic Explorer as Bob Evans, center, and Barry Schatz look on in Norfolk, Va. Thompson, a former deep-sea treasure hunter, is about to mark his fifth year in jail for refusing to disclose the whereabouts of 500 missing gold coins found in the historic shipwreck of the S.S. Central America, known as the Ship of Gold. (Doral Chenoweth III/The Columbus Dispatch via AP, File)
