Boston Marathon Bombing: 'Suspect 2 Is on the Run'

Boston Marathon bombing survivor shares her story

Dzhokhar Tsarnaev 'Acted Like Nothing Happened' Day After Marathon, Friend Says

Boston Bombing Suspect Dzhokhar Tsarnaev Speaks in Federal Court

Dzhokhar Tsarnaev convicted of Boston Marathon bombing

Boston Marathon Bombing Trial: Friend of Dzhokhar Tsarnaev Says He Gave Him Gun Used in Cop Killing

Tsarnaev's apology 'meant little' to Boston bombing victims

The jury in the Boston bombing trial was shown distant surveillance video of Dzhokhar and Tamerlan Tsarnaev approaching Officer Sean Collier's patrol car before he was killed