Here's another great YouTube video on how to handle police encounters on the street. It was put together by the "Flex Your Rights Foundation" with participation by the ACLU. The other video "Don't Talk to Cops" is better and more important, but this second video is also very good and covers different scenarios.
Watch: "
BUSTED: The Citizen's Guide to Surviving Police Encounters", available at
https://www.youtube.com/watch?v=yqMjMPlXzdA.