On April 15, 2013, the peace of Patriots’ Day was shattered by two explosions at the Boston Marathon finish line. This premium documentary provides a definitive timeline of the attack, the tragic loss of three lives, and the unprecedented five-day manhunt that followed. We examine the radicalization of Tamerlan and Dzhokhar Tsarnaev,, featuring exclusive insights into their time in Dagestan and the harrowing firsthand accounts from the survivors and officers who lived through the Watertown shootout.