A WIRED analysis of leaked police documents verifies that a secretive government program is allowing federal, state, and local law enforcement to access phone records of Americans who are not suspected of a crime.
According to the letter, a surveillance program now known as Data Analytical Services (DAS) has for more than a decade allowed federal, state, and local law enforcement agencies to mine the details of Americans’ calls, analyzing the phone records of countless people who are not suspected of any crime, including victims. Using a technique known as chain analysis, the program targets not only those in direct phone contact with a criminal suspect but anyone with whom those individuals have been in contact as well.
>“The scale of the data available to and routinely searched for the benefit of law enforcement under the Hemisphere Project is stunning in its scope,” Wyden’s letter to Garland says.
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