Ring of Steel

NYPD Going All Out To Prevent Terror AttacksNYPD officers have been exercising vigilance on land, sea and air, as the city works to detect and prevent terror attacks like the one in Boston.
Lower Manhattan 'Ring Of Steel' To Have 3,000 Cameras By 9/11/11The so-called "ring of steel" is nearing completion in lower Manhattan. It's a network of security measures intended to counter-terrorism and fight crime. CBS 2 got a rare look inside the nerve center on Friday.
Real-Time Security Cameras Link NYC Subway HubsAs many as 500 cameras have been placed in nearly every corner of three of the busiest transit hubs in New York City – in the stairwells and on the platform.