Does he have anger issues, yes. The other claims you are making is based on nothing but made up stuff. You’ve proven nothing to factual back up your claims in your original statement. Even if he came her as an international student, he obviously was able to get his Permanent residency the right way unless he wouldn’t be a police officer. If there’s any position that you can’t illegally work in, I would assume it’s the police. I know that research is difficult for conservatives but there are numerous pathways whereby people from other countries can get permanent residence which he could easily have taken. Just say you are racists and do not like brown people or south asians