Liste der Folgen

In the hours after the blasts, investigators pore over evidence. One photo and a few seconds of footage lead to a breakthrough--and an agonizing choice.

The brothers' images are released to the public, which sets off a chain of violent events. Meanwhile, clues from their past tell a complicated story.

Dzhokhar Tsarnaev is cornered into an intense standoff. As officials navigate remaining questions and suspicions, the city emerges Boston Strong.