In the People’s Republic of Maryland, even if you could get a CC permit ... if you shoot and kill a perp ... you are likely to have years of legal troubles ahead of you.
Even I agree that if you take the life of another human being, you have a lot of explaining to do. There are, of course, more than a few instances where you are totally justified....some mostly justified, some probably justified, some perhaps justified, some, not justified, but understandable, and then others.....