One Boston Marathon Suspect Dead a Second on the Run According to Authorities (VIDEOS)

One Boston Marathon Suspect Dead a Second on the Run According to Authorities (VIDEOS)

Visit NBCNews.com for breaking news, world news, and news about the economy UPDATE 07:00 ET: Two Boston Marathon bombing suspects are brothers, aged 19 and 20, and legal permanent U.S. residents of Chechen origin, law enforcement sources say http://nbcnews.to/177KYuP One suspect in the Boston Marathon bombings was killed early Friday morning, while the second suspect […]