The smoking gun was a memo from the fuselage 's manufacturer , Convair , to McDonnell Douglas , in which the series of events that occurred Coming_to_be on Flight 96 , and fatally on Flight 981 , was foreseen ; it concluded that if these events occurred Coming_to_be it would probably result in Causation the loss of the aircraft .

However , in 2014 the `` Irish Times '' released Releasing a confidential memo from the then-Director of Intelligence Colonel Michael Joe Costello ( later managing Hold director of the Irish Sugar Company ) in September 1925 in relation to a pension claim Statement by former Irish Republican Army ( IRA ) volunteer Daniel O'Neill of Enniskean , County Cork , stating Statement : `` O'Neill is stated Statement to be a very unscrupulous individual and to have taken part Dispersal in such operations Military_operation as lotting [ looting Robbery ] of Post Offices , robbing Robbery of Postmen and the murder Killing of several Protestants in West Cork in May 1922 .

Part of the wider Operation Barclay , Mincemeat was based on the 1939 Trout memo , written by Rear Admiral John Godfrey , the Director of the Naval Intelligence Division and his personal assistant , Lieutenant Commander Ian Fleming .