FBI releases photo of backpack containing bomb
BOSTON- The FBI released the first image of one of the shredded backpacks agents believe contained one of the explosive devices in the attacks at the Boston Marathon.
Details were released in an unclassified bulletin, according to ABC.
The bomb inside the bag was an "improvised explosive device (IED)" made out of a common pressure cooker.
So far, no suspects and no groups have claimed responsibility.
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