Up Next
Back to Show
PBS News Hour
How the NSA used radio waves to spy on offline computers
The newest revelations from documents leaked by Edward Snowden show that since at least 2008, the National Security Agency has implanted hardware to tap into as many as 100,000 offline computers overseas. Gwen Ifill talks to David Sanger of The New York Times and Cedric Leighton, a former deputy training director for the NSA.
