it was sitting there withol scachers and principals, custodians and other school staff, and the knowing that what th were learning had just happened somewhere else two days earlier. the trainer really went through what could happen, what they should do, you know, what are some of the best aractices. >> trainer even showed video on florida. >> exactly. he really wanted tofo ree these ideas and one of the things that he showed was a video that a student took at the scol in parkland and the video showed the students crtching in corner of a classroom. and you could hear the rapid succession of gunshots just ornl boom, boom, boom, children screaming. when he turned it off, he basically -- and everybody was, you know, just had chills and just looks of, just, anxiety and fear and sadness. and he said, what was wrong? what did they do in there? what he pointed out, and really drove the point home was that they wereng shelte in the classroom, as often is the case is what you should do. but nothing wasbarricaded. he was really driving home the point, they'reou cing in cover, but no kover if the s