Watch S9, EP2: Gavin McGuire with Fubo for $0 Today
Teen Mhairi Julyan was murdered, and forensics led police to violent repeat offender Gavin McGuire.
Teen Mhairi Julyan was murdered, and forensics led police to violent repeat offender Gavin McGuire.
How to watch
More episodes
World's Most Evil Killers
S7, EP6 "Nathan Matthews"A family's worst nightmare occurs when 16-year-old Becky Watts goes missing, and is found dead days later, murdered by her own stepbrother.
World's Most Evil Killers
S5, EP4 "William Bonin"William Bonin is known to some as the 'Freeway Killer,' thought to have raped, tortured and murdered a minimum of twenty-one boys and young men before he was executed in 1996.
World's Most Evil Killers
S7, EP19 "Paul Runge"A killer who found some of his victims through ads, the case of Paul Runge became prominent in the debate over the death penalty in Illinois.
World's Most Evil Killers
S9, EP2 "Gavin McGuire"Teen Mhairi Julyan was murdered, and forensics led police to violent repeat offender Gavin McGuire.
World's Most Evil Killers
S10, EP20 "Barry Prudom"In 1982, Barry Prudom sparked Britain's largest ever manhunt, murdering police officers and civilians.
World's Most Evil Killers
S10, EP19 "Paul McNaughton"In August 2022, retired teacher Peter Coshan vanished after meeting a man through a dating app in Edinburgh.
World's Most Evil Killers
S10, EP18 "David Baxendale"In May 2010, mother of three Sarah Thomas was stabbed to death in her Surrey home.
World's Most Evil Killers
S10, EP17 "Tariq Rehman"In February 1995, the city of Bradford in West Yorkshire was shaken to the core by the murder of two children.
