Jack Teixeira, The Massachusetts Air National Guard member accused of leaking highly classified military documents about Russia’s war in Ukraine and other national security secrets, has pleaded guilty on Monday. Stay informed about Massachusetts news, weather, breaking news and investigations! Follow WWLP on our website and social channels: https://www.wwlp.com/ https://www.youtube.com/user/wwlp https://www.facebook.com/WWLP22News https://twitter.com/WWLP22News https://www.instagram.com/wwlp22news/