President Joe Biden ordered the U.S. Department of Defense to investigate why Jack Teixeira, who allegedly obtained classified documents, had access. 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 #jackteixeira #intelleak #charged #investigation #classifieddocuments