flood plan there which makes it so lethal in this instance because he's not walking in off the street and unfamiliar with where the exits are or where the majority of the folks were. i think the police handled it in an excellent fashion with what we know so far. first off and to build on what darrin said, law enforcement has to go to the sound of the guns these days. you cannot do a contain and negotiate and expect to barricade a subject as we did for decades and decades and decades, reminiscent of 1975 in dog day afternoon. police officers now days have to be olympic athletes. they have to be able to get there as quickly as possible because active shooters usually, usually within five to seven minutes the situation is resolved in one means, by one method or another. they've also got to be mental health professionals to understand the people that they're dealing with. when you show up on a scene, and being a former fbi swat team leader i did it numerous times, you are trying to process all of this, john, in an information vacuum because you don't know what the motive is at the time.