After they drive into police station, they get to walk from the cops when 1 guy quotes you don't have to obey the law if your life is in jeopardy
One of the 2 main characters "quotes the constitution" & is often reading it in the film.
I think this was late 70's-mid 80's.
The guy I'm thinking of, looks like
http://en.wikipedia.org/wiki/John_Schneider_%28television_actor%29#Film
but I've been known t be wrong! =)