It was no secret that you are a very disliked character. Many people out to get you. Normal things. Maybe people had just gotten too desensitised to the idea of it. Forgot what you had to live with. So when Nikto entered the common room and spotted the bullet with your name carved on it he gave you a puzzled look. Unsure what to make of the little "gift" you'd received. Hed seen you on th field, of course he had... but he never met you before the military. What you did to survive.