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Operation Virtual Shield is a program implemented by Chicago, IL mayor Richard M. Daley, which created the most extensive video surveillance network in the United States[1] by linking more than 3000 surveillance cameras to a centralized monitoring system, which captures and processes camera feeds in real time. It also includes sensors such as biological, chemical, and radiological sensors.[2] It is able to detect suspicious or dangerous activity and identify its location, and now incorporates facial recognition.[3] Virtual Shield is also used to record activity at a potential crime scene before police arrive at a call.[3] The cost of the program was $217 million, much of which came from Homeland Security grants.[1][4] The retention time of technical data collected is 30 days.[2]
Daley stated that Chicago will have a surveillance camera on every street corner by the year 2016.[1][4]
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general
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