NYC's Web Of Cameras Can Catch Unattended Bags08:30
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An investigator inspects the area near a surveillance camera on the roof of the Lord & Taylor store in Boston, which, an official said, is crucial in the investigation of the explosions near the Boston Marathon finish line, Thursday, April 18, 2013, in Boston. (Julio Cortez/AP)
An investigator inspects the area near a surveillance camera on the roof of the Lord & Taylor store in Boston, which, an official said, is crucial in the investigation of the explosions near the Boston Marathon finish line, Thursday, April 18, 2013, in Boston. (Julio Cortez/AP)

The most extensive and sophisticated surveillance operation is in New York City.

The cameras are linked up with sophisticated computer programs that can pinpoint suspicious activity, for example, if someone leaves a bag on the street and walks away.

The system reportedly cost $200 million.

Would you want sophisticated surveillance like this in your city or community? Let us know on Facebook.

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This segment aired on April 24, 2013.

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