The brothers accused in the Boston Marathon bombing were motivated by radical Islam they learned mostly over the Internet, according to lawmakers briefed by federal law-enforcement officials, while a relative said a local mentor with fundamentalist beliefs also played a role.
Dzhokhar Tsarnaev has communicated to investigators that he and his older brother alone were responsible for the Boston Marathon bombings and motivated by extremist Islam, according to a U.S. official briefed on the initial interrogation.
A loose coalition of anti-tax activists, direct marketers and financial industry trade groups has a tough task this week in overcoming bipartisan support for letting states impose sales taxes on out-of-state sellers.
The FBI, initially lauded for its quick identification of the suspected Boston Marathon bombers, now is facing scrutiny from lawmakers about its handling of a 2011 Russian tip that might have averted the attack.
As investigators searched for a motive in the Boston Marathon bombings, the two brothers suspected in the attack emerged as markedly different personalities: the older moving closer toward Islamic fundamentalism, the younger socializing like a typical American college student.