The gunman who massacred 19 children and two teachers at a Texas elementary school was inside for more than an hour before he was killed in a shootout, law enforcement authorities said Thursday amid mounting public anger and scrutiny over their response to the rampage. A media briefing called by Texas safety officials to clarify the timeline of the attack provided bits of previously unknown information. By the time it ended, though, it had added to the troubling questions surrounding the attack in the town of Uvalde, including about the time it took police to reach the scene and confront the gunman, and the apparent failure to lock a school door he entered. READ MORE: https://www.wcnc.com/article/news/nation-world/texas-school-shooting-uvalde-onlookers-urged-police-to-charge-into-robb-elementary-school/507-0f43e7f1-a4ae-4da0-ac57-f22e9f674071