we couldn t see the buildings themselves pause we were blocked by buildings closer. we did receive the cloud of smoke coming up toward us on church street. we came back out to continue our reporting after duck into our truck to escape it. you are in touch with law enforcement in new york city on a daily basis. what do they tell you in how we have gotten better in detecting the next threat or how much of a threat they detect today? reporter: we receive the results of their efforts. we were caught off guard 12 years ago and they made a concerted effort to make sure it doesn t happen again. it doesn t mean it won t. we saw it happen in boston. here in new york they remain vigilant. this is still the number one terror target in the world.