most effective local counter terrorism force in the world. you have to be aware that this is a major terrorist target. absolutely. we created it. it s run by ray kelly, a former beat cop and marine. plar police officers think about terrorism. they know it s one of the core funks. it wasn t the case even immediately after september 11. we re followed new york city s counter terrorism and intelligence divisions for more than two years. as they monitor the waterways, 468 subway stations and manhattan s iconic skyline. welcome aboard. at floyd bennett field used by amelia air hart and charles lindbergh, the nypd operates an air unit. we are taken up in a surveillance helicopter.