 This is the first criminal charges are filed over the botched police response to the massacre at Robb Elementary. Nineteen children and two teachers were killed. The former police chief was arrested Thursday. Sir, if you can hear me, please put your gun down. We don't want anybody else hurt. Uvalde School's police chief, Pete Arradondo, was among the first to arrive after a gunman opened fire at Robb Elementary. Wait, chief is in there. Chief's in charge right now. Hold on.