The 1977 murders of Helen Scott and Christine Eadie cast a long shadow over the lives of everyone who encountered the case.

The investigation ran from 1977 to 2014 touching the lives of detectives and forensic experts, legal professionals and journalists. Edi Stark hears their remarkable story and speaks with Helen's brother Kevin about how the Scott family never gave up hope that the killers would be caught.

In the second of this three part series Edi Stark picks up the story after the initial 1977 investigation ran out of steam. She explores how the latest developments in DNA technology finally led detectives to identity the killers, who had evaded police for almost three decades.

Edi speaks with forensic scientists Lester Knibb and Jonathan Whitaker about their involvement in the case. We hear from crime reporter Bob Smyth about the murders of three other young woman in Glasgow in 1977 - the same year of the World's End killings - and the failed attempt to charge Angus Sinclair with five deaths, instead of two.

Edi also continues the story of the Edinburgh detectives who remained committed to finding Helen and Christine's killers despite countless setbacks over three decades. Show less