How 9/11 changed the way America surveils its citizens

By: Amanda Watford

Outlets: Stateline

Published: September 10, 2026

Words: 2,300

Last Updated: 1 week, 1 day ago


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Twenty-five years after 9/11, the surveillance infrastructure built and expanded in its aftermath has become part of a far larger digital ecosystem — producing tools that can collect and analyze information on a scale unimaginable in 2001.

The terrorist attacks of Sept. 11, 2001, did more than reshape the nation’s approach to terrorism. They changed the architecture of American intelligence and policing. They expanded how government agencies collect, share and analyze information, and brought national …

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