Sign in to NFL Now to watch the best of the NFL, personalized for you

Napolitano: US Knew of Boston Bomber Russia Trip

Associated Press Videos 2:04 mins

Homeland Security Secretary Janet Napolitano said Tuesday that her agency knew of alleged Boston bomber Tamerlan Tsarnaev's trip to Russia last year even though his name was misspelled on a travel document. (April 23)

View Comments (0)