Derek McDowell (Labour)

——is a strong advocate of the universalist principle that, from a criminal law point of view, none of us has anything to concede and we should be happy, in the same way as our photograph is displayed on our driving licence, to assist the Garda to enable it to exclude us from an investigation. I am not being dismissive of Senator Henry's argument. If three brothers were of a criminal disposition, it would be possible to identify that one of them was not the natural brother of the other two and to know that information about a family which is a private family matter. That is a possible abuse of DNA evidence, namely, to be able to prove that a person was not——