U.S. Surveillance Defended as Key to Halting Terror Plot on NYSE

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Intelligence and law enforcement agencies sought to fulfill their pledges of more transparency for classified U.S. surveillance initiatives, telling Congress the programs helped thwart more than 50 terrorist plots.

Among the foiled conspiracies was a planned attack on the New York Stock Exchange, Deputy FBI Director Sean Joyce told a House committee yesterday. Surveillance of communications between a known al-Qaeda extremist in Yemen and an individual in the U.S. allowed the FBI to “detect a nascent plot” to bomb the exchange and arrest those involved, he said.