“Solving unsolved crimes is a noble objective, but it occupies a lower place in the American pantheon of noble objectives than the protection of our people from suspicionless law-enforcement searches… Make no mistake about it…your DNA can be taken and entered into a national DNA database if you are ever arrested, rightly or wrongly, and for whatever reason… Perhaps the construction of such a genetic panopticon is wise. But I doubt that the proud men who wrote the charter of our liberties would ...