>>http://www.msnbc.msn.com/id/37263917/ns/us_news-immigration_a_nation_divided/
>>
>>If a bank robber reports a child molester, or an arsonist reports a murderer, does that make them Ok?
>
>All laws apply all the time

Um... no, they don't. Just look at dumblaws.com, there are hundreds of those still on the books. They aren't enforced, but they can apply anytime, if anyone bothers to complain or pull them in a courtroom.