An advertisement thanking NSA leaker Edward Snowden appears on the side of a Metrobus in downtown Washington. Photo: EPA

NSA tracks 5 billion phone records every day, says Snowden documents

Documents from whistle-blower Edward Snowden reveal spy agency's largest spying project scooped up private data 'incidentally'

Topic |   US National Security Agency

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An advertisement thanking NSA leaker Edward Snowden appears on the side of a Metrobus in downtown Washington. Photo: EPA
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