I learned, when I look in the mirror and tell my story, that I should be myself and not peep whatever everybody is doing.
It all goes back, of course, to Adam and Eve - a story which shows among other things, that if you make a woman out of a man, you are bound to get into trouble.
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.

