Britain's Most Evil Killers
Season 2, Episode 6: The Railroad Killers: John Duffy & David Mulcahy
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A profile of the two murderers who terrorized Britain in the 1980s with a string of attacks near railway stations.
All Episodes - Season 2
Episode 1
Mick Philpott
Episode 2
Mark Bridger
Episode 3
The Grindr Killer: Stephen Port
Episode 4
Raoul Moat
Episode 5
Roy Whiting
Episode 6
The Railroad Killers: John Duffy & David Mulcahy
Episode 7
Tracie Andrews
Episode 8
The Sunderland Strangler: Steven Grieveson
Episode 9
Stefano Brizzi
Episode 10
Danilo Restivo