How 9/11 changed policing
Surveillance technology that came into use after Sept. 11 has fundamentally changed the way the New York Police Department operates, altering its approach to finding and foiling terrorist threats, but also to cracking minor cases.
New Yorkers going about their daily lives routinely encounter digital surveillance tools like facial recognition software, license plate readers or mobile X-ray vans.
Both supporters and critics of the shift say the attacks profoundly changed American policing — perhaps most acutely in New York.
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