Abigail Zwerner, the Virgina teacher who was shot by her student, says the school administration was warned 3 times the boy had a gun with him but failed to take action. WATCH the ABC News Livestream: https://bit.ly/3rzBHum SUBSCRIBE to ABC News: https://bit.ly/2vZb6yP WATCH MORE on http://abcnews.go.com/ LIKE ABC News on FACEBOOK: https://www.facebook.com/abcnews FOLLOW ABC News on TWITTER: https://twitter.com/abc #ABCNEWS #virginia #shooting #AbigailZwerner