It’s not only pattern analysis that can be fallible – how about DNA? Its mostly about DNA mixtures, stat protocols and inconsistency of multiple analysts. via @ForensicOdont
A commercial lab’s technical paper has more on this. “Mixture interpretation. Why is it sometimes so hard?
And the politicians use it to promote their own agendas. The latest on the Washington DC now-police managed crime lab. Head DC prosecutor signs long-term contract with girl-friend’s DNA company.