 that for probably five, maybe even ten minutes, they knew there was a person on the grounds or adjacent to the grounds with a gun. They may have not known that he was on that building, although there were quite a number of people that did identify the shooter being on the building. I've seen the videotapes myself. It's really – it's damning evidence is what it is. But, you know, there seemed to be a number of protocols or standard operating procedures that –