was the 9/11 terrorists and timothy mchave a both of whom were arrested or picked up, stopped on very minor charges. seems the thrust of the majority no matter that d.n.a. how it comes into the possession of the government in terms of an arrest is an incredibly valuable tool. i know they use the term serious offense but it's a little hard to understand rational of the majority opinion being limited to just serious offenses when they make the point using two examples of non-serious offenses. >> they do. but of course the reference to cvay comes from a quote of freeholders. the significance to that quote is if they are encountering them in a traffic stop. but it does not allow them to take d.n.a. from every jaywalker or speeder. >> justice scalia i can't, the way he reads it, he says at page 1989 when there comes before us the taking of d.n.a. from an arrestee from a traffic violation, the court will predictably and quite rightly say we can find no difference between this case and king. make no mistake about it as a consequence of today's decision your d.n.a. can be taken and entered in