This is a little long but it's great advice.

[MineralMan]

2. While that is good advice,

It really only applies to white people, frankly. They can usually get away with it and not be harmed. If you're a person of color, though, you're likely to be injured by the very police who are supposed to protect your rights.

It's still worth a try, but you may well find that your silence and those responses is going to end up with your being handled roughly.

Better to hope there are witnesses around you to watch and remember what is happening.

If you see such an encounter between police and someone, and if you have a phone with a camera, discreetly record what happens. That can be crucial if the police act beyond their authority. Discuss this with people you know and with whom you are typically found.