josh and i hear things -- when someone says something, we sort of have a sense of what's going on, so when they say they're going door to door, that is more likely than not that there was a lockdown procedure. they are now entering each classroom and then releasing the students in a sort of organized fashion. >> to that point and the challenge of it, let's bring in to join the conversation, analyst charles ramsay. he was the commissioner of police in philadelphia and the chief here in the district of columbia as well. chief ramsay, 1900 students, a 75-acre campus, 14,075 square feet of learning space in arlington, texas in the dallas-ft. worth area. when you talk about a lockdown, and you talk about, as juliette was just discussing, going door to door to see if the situation has neutralizes, the challenge sounds enormous. >> it is enormous, and they'll have to take their time, and i understand the frustration of