A lawyer and genetic scientist has raised the disturbing possibility of false matches being made in the police national DNA database NDNAD. He suggests that the DNA database ? which at the end of September 2008 had 4,343,624, samples, including those from hundreds of thousands of innocent people ? is now so large that it is mathematically predicted an innocent person will be matched to a crime they did not commit.
via The rising odds of DNA false matches | Henry Porter | Comment is free | guardian.co.uk.