In the final row of graves in an obscure cemetery in southern Spain, is a tomb dedicated to William Martin - a British officer killed during the Second World War. Except that Martin wasn't real. He was invented by British spies as part of a daring and successful plot to fool Hitler about the invasion of Sicily, using the corpse of an unknown man dressed up like an officer and carrying a case full of fake documents. Now, ahead of the release of new film Operation Mincemeat which documents the mission, calls are growing to exhume the grave so the...
