professor nicholas alec jeffreys , whose seminal discoveries epitomized police investigation techniques , showed the guardian news innocent people were being " branded as criminals " because the database retained photos of all captured , or of whether they were soon convicted . the government now holds more than five million profiles , up 1 . 4 billion in two years . dame grayson also called for improved blood breeding strategies , warning that the current database could result in a pregnancy of justice , in an interview with the mercury newspaper .
Alec Jeffreys is the inventor of genetic fingerprinting.