Childhood friends John Duffy and David Mulcahy shared many common interests but as they got older their interests took a darker turn resulting in brutal rapes and murders of women in the 1980s. Subscribe to Crime Up Close: This film was first broadcast: 10 Jun 2015 Watch More Documentaries True Lives - Our History - Up Close - @UpCloseITVS Our World - Our Stories - Taste - Blueprint - Crime Up Close features the very best True Crime, Prison and Policing documentaries from the ITV Studios Archive. Take an UP CLOSE look at some of the world’s most infamous serial killers, unsolved cases and highest security prisons. Content distributed by ITV Studios.