Burke and Hare murders doctors, the Burkes and Hares were charged with murder. As part of his investigation Christison interviewed Knox, who asserted that Burke and Hare had watched poor lodging houses in Edinburgh and purchased bodies before anyone claimed them for burial. Christison thought Knox was "deficient in principle and heart", but did not think he had broken the law. Although the police were sure murder had taken place, and that at least one of the four was guilty, they were uncertain whether they could secure a conviction. Police also suspected there had been other murders committed, but the lack of bodies hampered
Witness of Truth: The Railway Murders executive producer. Other notable cast members include Mark Spalding, who co-starred alongside Higginson in "The Bill" in 1995, Caroline Woodruff, Joanna Monro and Robert Swann. The film broadcast at 22:35; subsequently no viewing figures for the programme were recorded by BARB. The film has never been repeated and remains unreleased on VHS and DVD. Witness of Truth: The Railway Murders Witness of Truth: The Railway Murders is a British television docudrama, first broadcast on 11 December 2001, that dramatises the crimes committed by John Duffy and David Mulcahy, commonly known as the "Railway Rapists" or "Railway Killers". The film, produced