Russia declined several FBI requests for more information on Boston Marathon bombing suspect Tamerlan Tsarnaev two years before the deadly 2013 attack, the New York Times reported on Wednesday, citing an unpublished U.S. government review.
The information, including a telephone call in which Tsarnaev and his mother discussed Islamic jihad, would probably have prompted harsher scrutiny of the suspect, the paper said.
"They found that the Russians did not provide all the information that they had on him back then, and based on everything that was available, the FBI did all that it could," a senior U.S. official familiar with the review said, according to the paper.
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