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The Boston Globe

Metro

Boston officials say Tsarnaev brothers acted alone

WASHINGTON — Boston officials said the Tsarnaev brothers likely were preparing to launch more violent attacks before their odyssey of terror was disrupted last week — given the large quantity of weaponry they possessed — but that all evidence thus far indicates they were acting alone and were not part of a broader conspiracy.

“All of the information I have is they acted alone, these two individuals, the brothers,’’ Mayor Thomas M. Menino said today on ABC’s “This Week.’’

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