The Massachusetts Air National guardsman accused of leaking highly classified military documents kept an arsenal of guns and said on social media that he would like to kill a “ton of people,” prosecutors said in arguing Thursday that 21-year-old Jack Teixeira should remain in jail for his trial. Subscribe to WCVB on YouTube now for more: http://bit.ly/1e8lAMZ Get more Boston news: http://www.wcvb.com Like us: https://www.facebook.com/wcvb5 Follow us: https://twitter.com/WCVB Instagram: https://www.instagram.com/wcvb5/