NYC's Web Of Cameras Can Catch Unattended Bags

08:30

April 24, 2013

An investigator inspects the area near a surveillance camera on the roof of the Lord & Taylor store, 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.

NBC Today: 'Smart cameras': Law enforcement's new weapon against terror

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Guest:

Thomas Ruskin, former New York City police detective, who now runs the investigation firm CMP Group.

This segment aired on April 24, 2013.