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then, the u.s. raid that killed bin laden was not the only option. we re going to look at what else was on the table. and 30 minutes from now, the rush to bury bin laden at sea, did it really follow islamic tradition? cnn in depth, a war but with what end. i spoke with former president jimmy carter at his office in plains, georgia, yesterday, and the killing of bin laden, and pakistan s importance in the war on terror were some of the things that we talked about. what do you make of the fact that osama bin laden was found in pakistan in a city $1 million home, not far from islamabad? do we think that we can trust the pakistani government? i think when we re in doubt about pakistan we have to give them the benefit of the doubt. why? because they re so crucial. remember that pakistan probably has at least 100 nuclear weapons and i think that our alliance with pakistan, despite some
abu ahmed al kuwaiti, from one one official calls classic espionage. they say pakistanis provide some information. by 2009 the cia knows the general area in pakistan where the courier is living. once they even spot him on the street. in august 2010, they learn the courier and his brother are living at this compound. but something isn t right. why do they need 18-foot-tall walls, security gates and a $1 million mansion. by late 2010, the u.s. is covertly watching the compound around the clock. telephone conversations of the courier are intercepted. the courier and his brother are practicing extraordinary operational security, the official tells cnn, they don t use their real name in the town. they burn their trash. again, why? who are they protecting? the u.s. comes to realize there s a third family there,
he s not communicating electronically. so he s got to meet face to face. that s much more difficult for us to track, but it s an opportunity. and they began at that point. reporter: a u.s. official provided cnn with many details of the hunt. by 2005, they were looking for one man in particular, a courier who is a protege of khalid shaikh mohammed, and a top bin laden operative. both men are under cia interrogation. ksm refuses to talk about the courier. it s a clue how important he may be. in one government report posted by wikileaks, it says the courier may have accompanied him to tora bora. our ability to monitor the courier turned out to be the critical piece of information. reporter: in 2007, the cia learns the man s name.
fertile in the first place. they expected this? well, i heard rob talk to a man who went through the 37 or 39 flood, he said, sometimes it just happens. what we have done, we have put people in the way. we have put houses in the way. we have put communities in the way that weren t there in 1939 and 37. that s what s getting flooded this time. chad, appreciate that. sure. look at business headlines. cnn money.com s lead story, how gas prices are impacting the average family. a check of the markets, the dow is now down about 120 points or so. in the decade between the september 11th attacks and sunday s killing of osama bin laden, defense spending now has soared. from new agencies, expanding new missions, to thousands more of intelligence analysts, all of those things. and alison kosak has been totaling up all of this. i can t imagine that s an easy thing to do. she joins us from the new york stock exchange. how much do we know has been