bigger and bigger. not only in determining who did it but did something happen that we can prevent in the future. it is huge. >> we talk about terrorist as being a learning enemy. the idea that a kid, an 18-year-old, or 19-year-old could look at other school shootings, maybe he had gone through active shooter training as a student in that school and then try to figure out a way how to overcome and get more students out of the classroom when they are supposed to be huddled inside. >> you are absolutely right and all you need is an imagination. and if you take an 18-year-old kid that is in custody now, he has probably been through that training probably since elementary school and in fact he wasn't even born when columbine happened. so let's take into account a