We all know it was allowed. 3 shooters, 3 different angles. We all know it was allowed. Not even SS, but homeland personnel? Damn.
Me, you, and humblegunner could have seen that that roof was a glaring threat, and could have climbed up on it, denying the shooter the roof. That the people in charge did not secure it, if only to the point of putting a man with a radio up there, is damning.