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Audrey examines the ultimately doomed investigation into Helen Puttock’s murder. She tracks down some of those who worked on it, some who knew the man who ran it, and asks whether the hunt for the killer was destined to fail from the start.

Writer, Producer and Presenter Audrey Gillan

Producer and Story Editor Jack Kibble-White

Producers Elizabeth Clark and Victoria McArthur

Additional Reporting by Marcello Mega

Researchers Molly Higgins, Amanda Johnston and Anna Miles

Sound Designer and Composer Joel Cox

Editors Heather Kane-Darling and Iona Macritchie

Actors Elaine C Smith and Kenny Blyth

Fler avsnitt från "Bible John: Creation of a Serial Killer"