The agency, President Obama, and members of Congress have all said NSA spying programs have thwarted more than 50 terrorist plots. But there's no evidence the claim is true.
Among the snooping revelations of recent weeks, there have been tantalizing bits of evidence that the NSA is tapping fiber-optic cables that carry nearly all international phone and Internet data.
Google wants to talk. The Internet giant has filed a petition with the Foreign Intelligence Surveillance Court for permission to publish top-secret details of FISA requests—the gagging of which, the company claims, violates its First Amendment right to freedom of speech.
A newly leaked NSA document shows that Yahoo began supplying data to the spy agency’s PRISM program after failing a legal fight against a court order it considered too broad.
Video: Despite the rain, supporters for NSA whistleblower Edward Snowden gathered at NYC's Union Square.
Vermont Senator Bernie Sanders shared his concerns for the future of the United States in light of the revelations of the NSA surveillance program, "PRISM," on MSNBC's "All In With Chris Hayes" Monday night.