I saw this before the weekend of the 4th. We'll keep you posted as to what "went down." It's so difficult, these days, to sort the programming from the presumption.
http://www.kval.com/news/local/Refuse-a-alcohol-breath-test-July-4-Expect-to-give-blood-264637981.html
http://www.dcclothesline.com/2014/07/04/police-plan-4th-july-refusal-blood-draw-dui-checkpoints/