He's the deadliest weapon on the battlefield, but his next shot could be his last. Outnumbered - Outgunned - Behind enemy lines - What happens when the tables are turned and the hunter becomes the hunted? This is SNIPER: DEADLIEST MISSIONS. 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... see more