A Texas teenager has been in jail since February after making an offhand comment on Facebook about a video game he had been playing. Justin Carter was 18 when he and a friend got into an argument with someone over a multiple player online video game, leading the teenager to post a comment he now regrets. He now faces up to eight years in prison after saying 'I'm going to go shoot up a school full of kids and eat their still beating hearts' only two months after the Sandy Hook school massacre 'These people are serious. They really want...