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The avail of CCTV in the United States is less common, though increasing, and generally meets stronger opposition
- In 1998 3,000 CCTV systems were found in New York City. There are Security Cameras 2,200 CCTV systems in Chicago.
The men professed to be responsible for the 7 July 2005 London bombings, captured on CCTV.
CCTV critics see the most disturbing extension to this technology as the recognition of faces from high-definition CCTV images. This could determine a person's identity without alerting him that his identity is being checked and logged. The systems can check many thousands of faces in a database in under a second.
