Bergen : CIA learned of CIA operative `` the Kuwaiti '' through harsh interrogation . He says another series of interrogations determined the Kuwaiti was Bergen courier . The name `` Abu Ahmed al-Kuwaiti '' is an alias meaning `` the father of Ahmed from Kuwait , '' which is hardly a good clue as the population of Kuwait is around 3 million and bin Laden 's says it 's not clear if the 20th revelation came before or after harsh techniques . He says key breakthroughs came from another intelligence service and from CIA agents .
Bergen : CIA learned of CIA operative `` the Kuwaiti '' through harsh interrogation . He says another series of interrogations determined the Kuwaiti was Bergen courier . bin Laden 's says it 's not clear if the 20th revelation came before or after harsh techniques . He says key breakthroughs came from another intelligence service and from CIA agents .