universally accepted active shooter protocols. they allowed the gunman to remain in the classroom for more than 70 minutes. there were children still alive inside, one of whom repeatedly called 911 for help. there were wounded teachers fighting for their lives. tonight we take a close look at the false and at times misleading information initially provided by texas law enforcement and public officials to families and reporters about the police response. throughout this hour, we are being careful about what body camera and surveillance videos we show you. there will be no images of violence or sounds of gunfire. we want to be respectful of all those grieving in uvalde. some of the videos though are difficult to watch given what we know was happening elsewhere on screen. there s still a lot to learn, but it s worth mentioning had parents and families, reporters and others not demanded answered from law enforcement officials in the hours and the days and months after this massac