A drawing of the Whyda, the pirate ship that John King is believed to have been sailing on when he died. (Expedition Whydah Sea-Lab & Learning Center) The silk stocking, shoe and fibula believed to be John King's, found in the wreckage off Wellfleet. (Expedition Whydah Sea-Lab & Learning Center) He was a boy, no more than 11, when pirates captured the ship he and his mother were sailing on in the Caribbean. As he watched the pirates haul off the ship's cargo of sugar and tobacco, John King made a decision: He would leave his mother and join...