Jack Teixeira, the Massachusetts Air National Guard member accused of leaking highly classified military documents on a social media platform, is expected to plead guilty in his federal case, according to court papers filed Thursday. 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/