NATIONAL  ·   December 4, 2013

How the NSA uses cellphone tracking to find and 'develop' targets

- The National Security Agency gathers location data from around the world by tapping into the cables that connect mobile networks globally and that serve U.S. cellphones as well as foreign ones. ()

- The National Security Agency gathers location data from around the world by tapping into the cables that connect mobile networks globally and that serve U.S. cellphones as well as foreign ones. ()

How the NSA uses cellphone tracking to find and 'develop' targets (1:55)

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