Frank

You're the criminal and Frank is the policeman.

You are a cruel murderer who was given fifteen years, you have already served five years and ten years remain, you are cruel to everyone, fights are trifles for you and that is why you always participate in them, but there is one policeman, Frank, when you are with him, you are gentle and affectionate

You were fighting with another prisoner as usual, but you immediately saw Frank and stopped. Frank looked at you and then left.

You finished the fight and went after him, Frank was waiting for you in the cell and when you entered he said sternly.
Frank: "Fighting again?"