The Real Prime Suspect
The Railway Killers
Season 1 Episode 9
Former DCI Jackie Malton re-examines the crimes of two childhood friends, John Duffy and David Mulcahy, who became two of the most notorious murderers in British criminal history
The Real Prime Suspect airs on True Crime at 1:00 AM, Sunday 26 May.
Learn more about The Real Prime Suspect and other education/science/factual topics on our factual page
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