DOJ report on Uvalde shooting cites 'cascading failures'

The shooting at Robb Elementary School claimed the lives of 19 students and two teachers. https://trib.al/v8UK3Ib Watch ABC News Live 24/7 on YouTube: https://youtube.com/live/OOtxXPaQvoM SUBSCRIBE to ABC News on YouTube: https://bit.ly/2vZb6yP Latest updates: https://abcnews.go.com/ Watch full episodes on Hulu: http://abcn.ws/3bzvQQn #news #uvalde #doj #abcnews #gunviolence