%% SOMETHING STRANGE, in that pattern of clues. That school district had a huge number of security measures including ''locked door policy'' ...motion detectors, social media moniters.... Oops \a clear violation of locked door policy= schools system deadly mistake. And why was the US border patrol involved ; full of illegal aliens?? Looks like the US border Patrol [cops]were the heroes/good shot Big school mistake = a clear violation of ''locked door policy''