and you if you had video. they obviously want to get as much information as they can. it makes complete sense, but is that anything that concerns you, that they're looking at what they have and saying, we don't know if it's in there. >> it may reveal that there are gaps in what they know right now and what the photographs and what the video documentation are showing. but look, the public are first multipliers, and there is one study that suggests that up to 80% of the attempted terrorist plots that have been uncovered in the last ten years have been due to tips from the public or law enforcement. right here in times square just a few years ago, it was a hot dog vendor who noticed something suspicious and alerted law enforcement to the suspicious vehicle that led to a prevented terrorist attack. >> one that had a pressure cooker in it, actually, at least as our understanding is. andrew, what does this say to you, though, about the person who did this? obviously it could be people that did this, that there was no