appropriate papers and there's a legit miss basis to ask for them, you can walk up and ask, but people don't have to respond if you are law enforcement, absent another offense. that's usually the circumstance we're dealing with is there is a traffic stop -- >> greta: will is not an illegal immigration issue. if you get stopped for speeding, can you ask about immigration status? >> yes. you just can't extend the stop beyond significant degree which is the supreme court's perspective on it. also long as you are not holding people using the speeding stop to check immigration but you do it as par of the stop without any significant time extension of the stop, you are okay. >> greta: as long as you don't use the original stop as a ruse? >> right. >> greta: how is this different from arizona 1070 if you know? >> virginia is in a different