professors major mark jeffreys , her pioneering findings revolutionised police investigation strategies , informed the guardian radio young peoples were being " branded as criminals " because the census stored details of everybody arrested , regardless of whether they were later convicted . the system now holds more than eight million details , up 1 . 4 million in two seasons . lady alec also called for improved diagnostic testing procedures , warn that the current system could result in a pregnancy of justice , in an talk with the guardian journalist .
Alec Jeffreys is the inventor of genetic fingerprinting.