Boston bombing suspect charged

Apr 23, 2013

Boston bombing suspect charged

The two brothers suspected of bombing the Boston Marathon appear to have been motivated by a radical brand of Islam but do not seem connected to any Muslim terrorist groups, U.S. officials say after interrogating and charging Dzhokhar Tsarnaev with crimes that could bring ...

How the Boston bombing investigation unfolded

Apr 22, 2013

How the Boston bombing investigation unfolded

by Marc Fisher

Within hours of the Boston Marathon bombing, investigators were already overwhelmed. Bloody clothing, bags, shoes and other evidence from victims and witnesses was piling up. Videos and still images, thousands of them, were pouring in by email and Twitter. Quickly, the authorities secured a ...

Bombs are simple in design, hard to trace

Apr 18, 2013

Bombs are simple in design, hard to trace

by Joby Warrick and Sari Horwitz

The bombs that tore through a crowd of spectators at the Boston Marathon could have cost as little as $100 to build and were made of the most ordinary ingredients — so ordinary, in fact, that investigators could face a gargantuan challenge in attempting ...