 The operation had been clouded in mystery until the discovery of papers at the Public Record Office in Kew UK . Previously in the 1960s , details of the story were told to a journalist by his intelligence service contacts and he wrote these up as " Operation Monkey " , yet facts were very sparse . 
 The operation <a href='been_done' title='1'><mark>had</mark></a> been clouded in mystery until the discovery of papers at the Public Record Office in Kew UK . Previously in the 1960s , details of the story <a href='uninflect' title='2'><mark>were</mark></a> told to a journalist by his intelligence service contacts and he wrote these up as " Operation Monkey " , yet facts <a href='uninflect' title='3'><mark>were</mark></a> very sparse . 
The operation done been clouded in mystery till da discovery of papers at tdaPublic Record Office in Kew UK . Previously in thda960s , details of thedaory was told to a journalist by his intelligence service contacts and he wrote these up as " Operation Monkey " , yet facts was very sparse .