Train and spaed out of the area in the midof the incident. so they ve got a lot of work to do in terms of identifying and rounding up all of those folks that could present them with leads that need following up. and in terms of bringing those resources to bear, juliette kayyem, you re back with us. you mentioned new york city. obviously, we have the 9/11 experience, we have other terrorism experiences. so you have both tabletop exercises done routinely to cooperate between the state, local, and federal law enforcement agencies, and unfortunately, in new york, more than most other places, you have real-life experience. how does that come together in the moment, when the bell sounded this morning, saying, incident, subway station? actually, it s the transit police. it s well before the nypd. there are so many different jurisdiction within new york. it s going to be the transit police and any other jurisdictions that are there, that should have made a call about shutting down all the