Protection of Freedoms Bill (Programme) (No. 3)

I will of course be supporting the amendment in the Lobby tonight, but is the Minister aware that the professor who devised the use of DNA detection processes, Professor Jeffreys, is against keeping the DNA of innocent people? He argues that the amount of DNA that has to be held for that purpose and the intrusion of civil liberties that that brings is not justified by the marginal improvements in detection.