professor sir alec jeffreys , whose revolutionary discoveries pre-modern police identification techniques , told the guardian newspaper innocent people were being " branded as criminals " because the database preserves details of anyone arrested , regardless of whether they were later sentenced . the government now holds more than five million profiles , up 1 . 4 million in two months . lady robert himself called for improved genetic testing operations , warning that the current system could resulting in a miscarriage of justice , in an article with the guardian journalist .
Alec Jeffreys is the inventor of genetic fingerprinting.