The archive, saved from a garage, shows pioneer of forensic science Edmond Locard at work in his laboratory in Lyon, France. ... Long-lost photos reveal details of world’s first police crime lab.

It all seems so exciting on ‘CSI,’ the sleuths glamorous in Armani suits. But real forensics is messy and intricate, as its French inventor, Edmond Locard, showed in the early 1900s.