Efforts to under take the raid. help us understand that. >> first, bin laden was the responsible for the death of 3,000 americans on u.s. soil. for that reason, he was infamous, a household name. it was something the entire nation was focused on. big effort internationally. and of course it was months in the planning. this, we don't know the details yet. we don't know how long the u.s. intelligence community and special operations teams had information or intelligence. we know they were working on this very hard case trying to pinpoint the location of abu bakr for many years. we don't know how...