BOSTON, Mass. (NBCNC) - The nation's top intelligence official has ordered a review of the Boston Marathon bombing case amid questions about whether the U.S. should have known one of the suspects posed a threat.
Retired Gen. James Clapper, the director of national intelligence, has asked the inspector general who oversees the intelligence community to take a broad look at various agencies' handling of information they received long before the bombing.
"Based on what I've seen so far, the FBI performed its duties, Department of Homeland Security did what it was supposed to be doing, but this is hard stuff,'' President Obama said at a Tuesday news conference.
In 2011, Russia asked the U.S. to check into Tamleran Tsarnaev because they suspected he was becoming radicalized. The FBI interviewed him but found no sign of terrorist activity.
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