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LATimesThe ruling raises concerns that U.S. anti-terrorism efforts might be impaired at a time of heightened risk.WASHINGTON — A special court that has routinely approved eavesdropping operations has put new restrictions on the ability of U.S. spy agencies to intercept e-mails and telephone calls of suspected terrorists overseas, U.S. officials said Wednesday.
The previously undisclosed ruling by the Foreign Intelligence Surveillance Court has prompted concern among senior intelligence officials and lawmakers that the efforts of U.S. spy agencies to track terrorism suspects might be impaired at a time when analysts have warned that the United States is under heightened risk of attack.
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One official said the issue centered on a ruling in which a FISA court judge rejected a government application for a "basket warrant" — a term that refers to court approval for surveillance activity encompassing multiple targets, rather than warrants issued on a case-by-case basis for surveillance of specific terrorism suspects.
"One FISA judge approved this, and then a second FISA judge didn't," the official said, speaking on condition of anonymity because the activities of the FISA court are classified.
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