One of the most sensitive, top secret missions eliminated America's number one terrorist target, Osama bin Laden, but the celebration was almost immediately tempered by thorny questions. How did the U.S. finally catch up with the terrorist mastermind who eluded capture for nearly a decade? Why was he able to hide in plain sight just yards away from Pakistan's most prestigious military academy? Was he able to direct attacks from his hideout? And why did the man who vowed to resist to his last breath give up his life with not much of a fight?