It's called "Operation Sentinel" and it proves just how far the NYPD will go to protect this city from terrorists. The plan involves some high-tech tracking that is coming under fire from some groups.

New York City is going to great lengths to make sure that bomb-toting terrorists can't reach us.

"New York City is something special," Mayor Michael Bloomberg said Tuesday. "It's not just a very big city in this world. It is, in many senses, the iconic city. It represents Western Democracy.

NYPD's 'Operation Sentinel' To Track EVERYTHING