Code of a Killer

This three-part British miniseries "combines gripping drama with the remarkable history of DNA fingerprinting" (Mirror, UK). David Threlfall (Shameless) stars as DCS David Baker and John Simm (Doctor Who) portrays Dr Alec Jeffreys, a scientist who invents a technique to extract individual's unique DNA. Working together, the two men investigate the brutal murder of two schoolgirls.