Documentary film credits include 2014 's '' A Tale Of Two Thieves '' , written by Erin Donovan about the Great Train Robbery 's mysterious ' Ulsterman ' . Bruce was employed by the film makers to trace Patrick Mckenna ( The Ulsterman ) . Another credit includes '' Juvenile Liaison 2 '' by Nick Broomfield . She has also worked as a search consultant on '' Hanratty : The Mystery of Dead Man 's Hill '' , produced by Bob Woffinden as part of the '' True Stories '' series . Bruce acted as a consultant social worker when Caradoc King of United Artists wrote his book '' The Problem Child '' . Bruce undertook all of the background research and facilitated reuniting Caradoc with his family . Katherine Norbury also instructed the services of Bruce when tracking down her birth parents for her book '' The Fish Ladder '' , published in 2015 by Bloomsbury . British Journalist Kate Adie CBE also instructed Bruce 's help when researching her memoir '' Nobody 's Child ''
Great Train Robbery
Great Train Robbery (1963)
Ariel Bruce