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 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 and directed by Bren Simson, is narrated by Lindsay Duncan, who provides additional details of the crimes, some of which are not dramatised in the film. Huw Higginson and Nicholas Marchie were cast as Mulcahy and Duffy respectively, with Steve Chaplin and Tat Whalley portraying teenage versions of the pair. Adelene Alani acted as