Boston Suspects Said to Learn Bomb-Making on Internet
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Two brothers suspected in the deadly Boston Marathon bombings used remote controls from toy cars to set off the blasts that ripped through the race’s finish line, according to federal law-enforcement officials and members of Congress briefed on the matter.
As authorities investigate how the bombs were built and detonated, U.S. lawmakers are asking whether the FBI and the CIA did all they could to prevent the April 15 attack. The agencies were queried in 2011 by an overseas government about the older brother, Tamerlan Tsarnaev. An FBI review at the time turned up nothing incriminating about him, while the CIA put his name into an interagency database.