professor sir alec jeffreys , whose pioneering discoveries revolutionised crime investigators techniques , told the guardian newspaper innocent people were being " tagged as criminals " because the database retained records of those arrested , regardless of whether they were later convicted . the government now held more than five million profiles , up 1 . 4 % in two albums . sir alec additionally calling for new genetic testing techniques , alert that the newer system could factor in a childbirth of correction , in an interview with the herald newspapers .
Alec Jeffreys is the inventor of genetic fingerprinting.