professor sir alec jeffreys , whose pioneering researches perfected police examination systems , told the guardian newspaper young people were being " listed as bandits " because the database retained details of everyone arrested , regardless of if they were later sentenced . the agency now retains more than a million profiles , up 1 . 4 million in two years . dr alec also called for improved chromosome testing procedures , warn that the previous system could result in a pregnancy of judgment , in an interview with the guardian newspaper .
Alec Jeffreys is the inventor of genetic fingerprinting.