The National Security Agency has built a surveillance system capable of recording ‘100 percent” of a foreign country’s telephone calls, enabling the agency to rewind and review conversations as long as a month after they take place, according to people with direct knowledge of the effort and documents supplied by former contractor Edward Snowden.

A senior manager for the program compares it to a time machine – one that can replay the voices from any call without requiring that a person be identified in advance for surveillance.

This cover slide comes from a weekly briefing deck by the NSA’s Special Source Operations team, which is responsible for deploying and maintaining bulk collection methods.

This is an excerpt from a weekly briefing memo from the NSA’s Special Source Operations team that describes collection efforts and defines many agency terms.

In this excerpt from the FY13 Congressional Budget Justification, the addition of a country to MYSTIC efforts is mentioned.

Obama and changes at NSA

On Jan. 17, President Obama called for significant changes to the way the NSA collects and uses telephone records of U.S. citizens. Read a transcript of his remarks.


Here is the report from the five-member Review Group on Intelligence and Communications Technologies, which contains 40-plus […]

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