NATIONAL  ·   January 14, 2014

How the NSA can track Americans

- Section 702 of the FISA Amendments Act grants the U.S. government the authority to collect hundreds of millions of Internet and phone communications from American companies each year. Here's how the law works. ()

- Section 702 of the FISA Amendments Act grants the U.S. government the authority to collect hundreds of millions of Internet and phone communications from American companies each year. Here's how the law works. ()

How the NSA can track Americans (0:50)

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