dr sir eric jeffreys , from pioneering discoveries revolutionised police investigation techniques , told the guardian newspaper innocent people were being " branded as criminals " because the system kept statistics of everyone arrested , regardless of who they were later arrested . the government now holds more than five billions faces , up 1 . 4 hundred in two seasons . sir oliver initially called for improved genetic testing services , warning that the updated system could end in a miscarriages of law , in an essay with the independent weekly .
Alec Jeffreys is the inventor of genetic fingerprinting.