cell phone call then it was a question of making inquiries at the ground level, listening out for further calls. they were beginning to close in on him at this stage. what we believe happened is that al kuwaiti was tracked to a particular vehicle and once they found that vehicle perhaps in the environs of peshawar it was waiting to see where he went. last august,ing august 2010, they finally had the courier lead them to the compound. my source said to me one of my sources said to me, when we got a picture of that compound we said, wow, this is different. reporter: despite constant surveillance, there s never 100% certainty that osama bin laden is inside, but back in the united states an elite force has begun to train for a top secret mission getting bin laden.
reporter: investigators established the courier s name and begin to monitor his family s phone calls and e-mails. once they established one cell phone call then it was a question of making inquiries at the ground level, listening out for further calls. they were beginning to close in on him at this stage. what we believe happened is that al kuwaiti was tracked to a particular vehicle and once they found that vehicle perhaps in the environs of peshawar it was waiting to see where he went. last august, august 2010, they finally had the courier lead them to the compound. my source said to me one of my sources said to me, when we got a picture of that compound we said, wow, this is different. reporter: despite constant surveillance, there s never 100% certainty that osama bin laden is inside, but back in the
failure, high. would rather die than be captured. at the end of the day it was a leap of faith. reporter: friday, april 29th, just after 8:20 a.m., the mission begins. the president gives the go. the president, after a long night s sleep, he basically came in and immediately told his staff you have the green light. let s go. reporter: as president obama departs for the tornado-ravaged south, the u.s. military s best-kept secret is underway. the troops were ready and in place. the equipment was ready to go. the plan had been practiced again and again and again. reporter: america s most-wanted man may finally be in reach, osama bin laden. the architect of 9/11 had eluded the world s most powerful nation for more than a decade. the trail was quite cold. reporter: former cia director michael hayden recalls the early misfires. most of what we had looked many more like elvis sightings rather than substantive intelligence. u.s. intelligence zeroed in on this co
s.e.a.l.s would rather die than be captured. at the end of the day it was a leap of faith. reporter: friday, april 29, just after 8:20 a.m., the mission begins. the president gives the go. the president, after a long night s sleep, basically came in and immediately told the staff, you ve got the green light. let s go. reporter: as president obama departs for the tornado-ravaged south, the u.s. military s best-kept secret is under way. the troops were ready and in place. the equipment was ready to go. the plan had been practiced again and again and again. reporter: america s most wanted man may finally be in reach. osama bin laden. the architect of 9/11 had eluded the world s most powerful nation for more than a decade. the trail was quite cold. reporter: former cia director michael hayden recalls the early misfires. most of what he had looked more like elvis sightings than intelligence. reporter: the trail caught fire last august when u.s. intelligence
s.e.a.l.s would rather die than be captured. at the end of the day it was a leap of faith. vi . reporter: friday, april 29, just after 8:20 a.m., the mission begins. the president gives the go. the president, after a long night s sleep, basically came in and immediately told the staff, you ve got the green light. let s go. reporter: as president obama departs for the tornado-ravaged south, the u.s. military s best-kept secret is under way. the troops were ready and in place. the equipment was ready to go. the plan had been practiced again and again and again. reporter: america s most wanted man may finally be in reach. osama bin laden. the architect of 9/11 had eluded the world s most powerful nation for more than a decade. the trail was quite cold. reporter: former cy director michael hayden recalls the early misfires. most of what he had looked more likele elvis sightings than intelligence. reporter: the trail caught fire last august when u.s. intell