najibullah is driving to the bridge. it looks like he is going to come into man hat via the george washington bridge. what we're thinking about is we cannot lose this guy. >> zazi was the picture of an imminent threat. travel records had indicated that he had been to pakistan in 2008. potentially that he attended terrorist training camps with adis and his two new york counterparts. but we just didn't know what they were up to. >> so we're going to set up a roadblock. >> we were going to have the oufr that had a canine search the car to try to figure out if zazi had had a bomb or anything