Tsarnaev Formally Charged With WMD Use

NBC's Pete Williams breaks down charges brought against Boston Bombing suspect

Boston Attack Casts Shadow Over Immigration Debate

Senators clash at hearing over terror's impact on immigration reform

Sanctioning Iran’s American Allies

NIAC ordered to pay nearly $200K in legal fees

Williams: Carjacking Victim Called Bombing Suspects 'Cautious But Brutal'

Victim says he escaped Tsarnaev brothers at gas station, lived because he's not American

Inspector Romero Says Coast Is Clear

ACLU official mighty confident despite the many questions that remain in Boston bombing