but first let's fwling e police officer and security expert lieu palumbo greet you have on the show tonight. >>> had this individual had any wherewithal toll what he was doing he may have created something exactly a low great explosive what he used and he probably would have done it considerable amount more damage. and the good news is high grade explosives and are difficult to come by and it's hard to find syntax and c 4 as you know a result of explosion down at the building with timothy mcvay and accessibility to fertilize ear in subways and people ghoing for the holiday season. anything we can do to protect ourselves. >> to be candid and truvl absolutely not. if you see something, say something. i think what people have to understand is that people come into a terminal like grand central and come in droves like cattle and preoccupied with the weather and preoccupied with getting work on time and any other number of distractions and on a day-to-day basis and we cannot expect them to have what we refer t awareness and that's our ability to look at situations or conditions with surrounded w