06/07/2013 10:43 pm ET Updated Aug 07, 2013

Public Documents Contradict Claim Email Spying Foiled Terror Plot


Defenders of the American government's online spying program known as "PRISM" claimed Friday that the suddenly controversial secret effort had saved New York City's subways from a 2009 terrorist plot led by a young Afghan-American, Najibullah Zazi.

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