If he is breaking no laws he is under no obligation to answer the question. Which is what he was asking and so please provide answer. Was he legally obligated to answer their questions and if so what is the law? There was no legitimate reasonable suspicion, he had $4700.00 with him and there is no law against that.

The Hitler reference was a bailout. When all else fails, when your arguments do not hold up compare something to Hitler to distract from the real discussion.