How DNA Forever Changed Forensic Science

pipetteThroughout the 1970s and 1980s, the FBI relied heavily on hair detectives. Before developing DNA analysis, hair analysis played a key role in identifying and convicting crime suspects, and that’s the subject of this week’s Retro Report.
Once DNA tests proved that two seemingly identical pieces of hair could come from different people, the FBI had to re-examine its past. And now exonerations are forcing the criminal justice system to confront the limitations of hair analysis from days past.