The Wire: Forensics Murder S01E02 - Episode 2

A breakthrough has provided police with a DNA profile believed to come from George Murdoch's killer, but it hasn't matched to any known offender. Detectives track down people across the UK with similar genetic material, who could be blood relatives. Kirsty Wark and Senior Investigating Officer James Callander explore clues uncovered throughout the investigation and reveal how the public can assist in cracking this long-unsolved crime.