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PORTLAND, Maine (AP) - Sen. Angus King of Maine says the intelligence community may have to change its approach to deal with so-called "lone wolves" who aren't directly linked to governments or terror groups.

King, who sits on the Intelligence Committee, says it remains to be seen if two ethnic Chechens from Russia acted alone in setting off bombs at the Boston Marathon but that the evidence points in that direction.

King told The Associated Press on Friday that the military tends to focus on fighting the last war, whether governments in the Cold War or terror groups after 9/11. He says terrorists attached to neither present a new problem.

The bombings killed three and injured more than 260. One of the brothers was killed in a gunbattle; the other is in custody.

(Copyright 2013 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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