From the treacherous jungles of Vietnam and the bloody war zones of Iraq to danger high in the skies of the Alaskan wilderness, this two-hour special puts you behind the scope with the men who pulled the trigger during some of the deadliest missions in military and law enforcement history. Gripping firsthand accounts, 3-D graphics, and jaw-dropping shooting demonstrations take you inside the shadowy world of top snipers and the missions that made them living legends.