san francisco, for example, they have an emeency coordinator, somebody who has been hired very eecifically. only job is to prepare the district for emergencies, be that earthquakes shooters yo there's debates about what is the best use of money, what is thest use, do you have armed guards at schools. in the case of parkland, there made it to where the shooter was. do you have metal detectors. so we go through phases, different communities want thi. i think the idea that people are acknowledging this is going to happen, thate live in a world, the police chief said for e school districttoday, in 2018, you have to go home and tell your 3-year-old, this isha you do if somebody comes tnd tryill you. >> it's so sad that's the newrm . we both have children, and it is sad that this is what we have to talk to kids wabout. ted to ask you, i shooter, like in the case of florida, if the shooter is a former student, in nikolaus cruz's case, and he's gone through the same security training, he knows the procedures, he knows what the drills are. how do you protect yourself when the shooter knows what the