Documents detail CellHawk, a little-known surveillance tool used widely by law enforcement, which can visualize large amounts of data collected by cell towers (Sam Richards/The Intercept)




Sam Richards / The Intercept:

Documents detail CellHawk, a little-known surveillance tool used widely by law enforcement, which can visualize large amounts of data collected by cell towers  —  Until now, the Bartonville, Texas, company Hawk Analytics and its product CellHawk have largely escaped public scrutiny.





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