Despite what you see on television shows like CSI, forensic evidence does not always create hard facts. Even things so seemingly commonplace as fingerprinting and blood splatter analysis may be way less reliable than believed. A draft report from the National Academy of Science contains sweeping criticism for the application of forensic science in crime labs across the nation. The report may radically change the American criminal justice system. Our partner, the New York Times, has an exclusive on this paper and we are joined by the reporter, Solomon Moore.