How pressure cookers fit in both bomb-making and the puzzle of finding out who did it
The senior Democrat on the House Intelligence Committee says the two Boston Marathon bombing suspects had collected pipe bombs, grenades and improvised explosive devices before they confronted police.
Canadian aunt of Boston bomb suspects says older brother recently became devout Muslim
Mass. State Police call off search for green Honda Civic in bombing case
2 friends appeal to Boston Marathon bombing suspect not to hurt himself or anyone else
Father of Boston blasts suspects says son is 'true angel'
Kerry: 'We are part of the way there' delivering justice for Boston, now going to finish job
FBI releases images of 2 suspects in Boston Marathon bombing; one set down a backpack
Eerie pictures shared via Twitter of Boston empty of cars and people, as police urged residents to shelter in place on Friday, April 19. (Click on the photos to enlarge)
Boston bombing investigation underscores vast expansion of surveillance by police and public
Boston bombing suspect's uncle: 'Turn yourself in, and ask forgiveness' from the victims
Preparing for London, Boston wheelchair winner feels duty to help the wounded rebuild lives
Dead Boston Marathon bombing suspect studied accounting at a Boston community college
Retiree stops 'getting mad' over Boston Marathon bombings, tends makeshift memorial
Uncle, law enforcement sources confirm Marathon bomb suspects were brothers from overseas
Turkish minister: Boston Marathon suspects not linked to Turkey
The video below reportedly captured the shootout between law enforcement officials and the Boston Marathon bombing suspects.
Beware of hoaxes, scams in the chaos after the Boston Marathon explosions
Days after running in Boston, American marathoner Mark Cliggett ready to run again in London
In May of 2011, Dzhokhar A. Tsarnaev, then a senior at a prestigious high school, was awarded a $2,500 scholarship from the city of Cambridge, Mass., to pursue higher education. Now, Tsarnaev is on the run, described as "armed and dangerous" and suspected of the Boston Marathon bombing.
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