On May 2, 2011 Osama bin Laden, the mastermind behind the 9/11 bombings, was killed by American special forces, marking an end to the longest, most expensive manhunt in American history. Witness the 20-year search for the most wanted man on Earth, as counter-terrorism experts in the White House, the CIA, and the FBI divulge their firsthand accounts.

Originally broadcast as a television program on The Smithsonian Channel in 2012.