unless they have his DNA in criminal databank if not it going to be hard to find him unless he have a history of felony or donate blood they can’t pin it on him. But sent the principal is his father and both have the same DNA they might pin on him sent he never tale anyone that he have a son or erase his existing for political game. They can’t do anything.So not only he made his father a suspect.He is probably getting a way of murder too.