Modus Operandi - Abduction

Adolfo de Jesús Constanzo became one of Mexico's most notorious serial killers after leading a violent criminal cult that combined ritualistic beliefs with narcotics trafficking during the 1980s. Operating primarily in Mexico City and Matamoros, Constanzo and his followers carried out numerous murders as part of ceremonies they believed would provide supernatural protection and success. The discovery of multiple victims at his ranch in 1989 exposed one of the most disturbing criminal conspiracies in Mexican history.

Aaron Campbell became one of Scotland's most infamous child killers after abducting and murdering seven-year-old Megan Montgomery in Airdrie, North Lanarkshire, in 2020. Campbell lured the child from outside her home before killing her and concealing her body in nearby woodland. Following an extensive police investigation, he was convicted of murder and sentenced to life imprisonment with one of the longest minimum terms imposed in Scotland for the murder of a child.

Paul Kenneth Bernardo became one of Canada's most infamous serial killers after committing a series of violent sexual assaults and the murders of three young women between 1987 and 1992. Before his arrest, Bernardo was responsible for numerous unsolved sexual assaults in the Toronto area, earning the nickname the "Scarborough Rapist." Alongside his wife, Karla Homolka, he murdered Tammy Homolka, Leslie Mahaffy, and Kristen French. His conviction remains one of the most significant criminal cases in Canadian history.

Paul Charles Denyer became one of Australia's most infamous serial killers after murdering three young women in Melbourne's bayside suburb of Frankston between June and July 1993. His crimes created widespread fear throughout Victoria, leading to one of the state's largest homicide investigations. Following his arrest, Denyer pleaded guilty to the murders and was sentenced to life imprisonment with a non-parole period. He remains incarcerated and is one of Australia's most notorious convicted serial killers.

Gary Ridgway, known as the “Green River Killer,” is an American serial killer responsible for the murders of dozens of women in Washington State during the 1980s and 1990s. He targeted vulnerable individuals, often sex workers and runaways, and became one of the most prolific serial killers in U.S. history. Ridgway evaded capture for nearly two decades before advances in DNA technology led to his arrest in 2001. He later pleaded guilty to multiple counts of murder and received numerous life sentences, ensuring he would remain imprisoned for the rest of his life.

Darren Vickers is a British man convicted of the 1997 murder of eight-year-old Jamie Lavis in Greater Manchester, England. At the time, he worked as a bus driver, a role that placed him in a position of routine contact with the public, including children. The case gained significant attention due to the abuse of that position and the circumstances of the child’s disappearance. Vickers was later arrested, convicted, and sentenced to life imprisonment.

Ivan Milat was an Australian serial killer responsible for the murders of multiple backpackers in New South Wales between 1989 and 1992. His crimes became one of the most notorious cases in Australian criminal history. Milat targeted travellers and used deception to gain their trust before carrying out violent attacks. He was later convicted and sentenced to life imprisonment without parole, remaining incarcerated until his death in 2019.

Ted Bundy was an American serial killer who murdered multiple young women across several U.S. states during the 1970s. His crimes became widely known due to his ability to use charm and deception to gain victims’ trust. Bundy evaded capture for years, escaped custody twice, and carried out further killings before his final arrest. He was later convicted and sentenced to death, becoming one of the most infamous serial killers in modern criminal history.