Officials say NSA programs stopped over 50 potential terror attacks

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Officials say NSA programs stopped over 50 potential terror attacks

Officials say NSA programs stopped over 50 potential terror attacks
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Officials say NSA programs stopped over 50 potential terror attacks

by CBSTV Videos 2:04 mins

General Keith Alexander said the NSA's surveillance programs have helped stop more than 50 potential strikes since the 9/11 attacks. At least 10 of them involved homeland-based threats. Bob Orr reports.

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