Tsarnaev friend says he gave him gun before marathon bombing

Tsarnaev guilty on all charges in Boston Marathon bombing

Boston Marathon bombing trial: Dzhokhar Tsarnaev receives guilty verdict, may face death sentence

Dzhokhar Tsarnaev convicted of Boston Marathon bombing

New video shows Dzhokhar Tsarnaev at Boston Marathon bombing

Boston Marathon Bombing Three Friends of Suspect Dzhokhar Tsarnaev Arrested

Dzhokhar Tsarnaev Found Guilty of Bombing Boston Marathon

2013 Boston Marathon: Before, During and After the Bombing

PROFILE: Who Was Dead Bombing Suspect Tamarlan Tsarnaev?

Boston bombing suspect, Dzhohkar Tsarnaev, taken in custody after day-long manhunt

Boston bombing suspect Tamerlan Tsarnaev was on CIA, FBI watch lists

Boston Bombing Survivor Forgives Tsarnaev

Boston Bombing Victim Reacts To Tsarnaev Verdict

Dzhokhar Tsarnaev Admits To Bombing, Asks For Mercy

Boston bombing survivors ready for Tsarnaev trial

BREAKING VIDEO: Boston Bombing Suspect Dzhokhar Tsarnaev Pleads "Not Guilty"

Watch Boston bombing carjack victim escape from the Tsarnaev brothers

Watch Boston bombing carjack victim escape from the Tsarnaev brothers

Boston bombing suspect Tamerlan Tsarnaev was on CIA, FBI watch lists

Dzhokhar Tsarnaev Seen Day After Boston Bombing In New Video

Boston Bombing Suspect Dzhokhar Tsarnaev Moved to Prison