THE HILL: FBI, DHS heads brief House on Boston attack amid criticism.

The heads of the FBI and the Homeland Security Department (DHS) briefed House members on the Boston bombings Tuesday amid a wave of criticism that the agencies missed red flags that might have prevented the tragedy.

FBI Director Robert Mueller and DHS Secretary Janet Napolitano have come under fire for their handling of the case, particularly their screening of Tamerlan Tsarnaev, the elder suspect, who had been fingered by Russian intelligence for his possible ties to extremist groups.

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