In the US, you need not waste your time proving your innocence. It is up to the prosecutor to prove your guilt.
You need not heed unlawful police requests. Agreed, they may bash your head in, but, you can sue the city and retire to Palm Beach.
Someone posted this quiz link on another commodity forum and I thought it was fun to take.
of course, it is probably a gov't. info gathering device, but, hey, who cares at this point....