I have a kind of neutrality, physically, which has helped me. I have a face that can be made to look a lot better - or a lot worse.
Asking questions is an essential part of police investigation. In the ordinary sense a police officer is free to ask a person for identification without implicating the Fourth Amendment.
But, you know, the issues of humanity and what is fair treatment and good treatment of a fellow human being should not really be based on a personal sense of right and wrong or judgment.

