Rick Deslauriers

Archive footage, chilling reenactments and exclusive interviews shed new light on a tragedy — and two brothers — that suspended a city in terror.

On April 15, 2013, the Boston Marathon was shattered by a domestic terrorist attack when two homemade bombs, planted by brothers Tamerlan and Dzhokhar Tsarnaev, detonated near the finish line, killing 3 civilians and shaking the nation.