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The National Security Agency (NSA) headquarters at Fort Meade, Maryland. - 

German publication Der Spiegel reports on just how far the National Security Agency might be going to build back doors into technology for surveillance in a story about a division called Tailored Access Operations, or TAO. The elite group of government hackers apparently intercepted packages carrying gear, like servers and computer parts, to install special monitoring equipment. Click the audio player above to hear more.

Follow David Gura at @davidgura