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 .
Peter Bergen : CIA learned of al Qaeda operative `` the Kuwaiti '' through harsh interrogation . He says another series of interrogations determined the Kuwaiti was bin Laden 's courier . Bergen says it 's not clear if the second revelation came before or after harsh techniques . He says key breakthroughs came from another intelligence service and from CIA agents .