Second World War MI5 documents revealed MI5 has been criticised for releasing documents that reveal the identities of agents serving in the Second World War. A large number of documents dating from the Second World War have been released by MI5 after more than 60 years. Released to the National Archives, the files contain details about the real identities of a number of spies and double agents working during the war. The documents relate to a camp in Ham, Surrey, that was used to hold and interrogate Nazi spies, many of whom later became double agents working for British intelligence....