How to Stop a Shooting in New Zealand

Tyler told his friends that he was going to shoot up the school and kill everyone in sight. He started with names, names of certain people who have wronged him and how they would pay. My friends were shocked. We could tell just from the energy that he was putting off. I found a teacher in private and confided in him, asking to stay anonymous. And he agreed, saying that he would speak to him and thank me.