FBI claims Bin Laden inquiry was frustratedOfficials told to 'back off' on Saudis before September 11Greg Palast and David PallisterGuardianWednesday November 7, 2001 FBI and military intelligence officials in Washington say they were prevented for political reasons from carrying out full investigations into members of the Bin Laden family in the US before the terrorist attacks of September 11. US intelligence agencies have come under criticism for their wholesale failure to predict the catastrophe at the World Trade Centre. But some are complaining that their hands were tied. FBI documents shown on BBC Newsnight last night and obtained...