I'm not saying he literally signed a contract you doofus. Also it's a magical world were magic is so common that most colleges want you to be able to do magic. So the authorities would more than likely have a way to counter and or remove the unwanted contract. I understand the circumstance is unique but alerting the authorities would surely be more helpful then doing nothing and allowing a rapist to walk free. And him being an amplifier in no way makes it partially his fault. That is the dumbest thing you said. So next time actually pay attention to the details.