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, EP13 "Jorge Avila Torrez"The notorious story of a man convicted of the murder of two young girls, as well as another killing at a military base.
World's Most Evil Killers
S7, EP11 "Anthony Allen Shore"A Texas serial killer, Anthony Allen Shore was matched to four murders after his arrest for a different crime.
World's Most Evil Killers
S9, EP11 "Glen McCurley"Carla Walker's 1970s murder devastated her community until the killer was finally caught.
World's Most Evil Killers
S9, EP20 "Charles Cullen"Nurse Charles Cullen secretly killed patients for years while avoiding scrutiny.
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.
