Crime Type - Violent Crime

Pedro López became one of the deadliest serial killers in modern history after confessing to the murders of hundreds of young girls across Colombia, Ecuador and Peru during the 1970s and 1980s. Nicknamed “The Monster of the Andes,” López terrorized vulnerable communities throughout South America by targeting poor and isolated children, many of whom disappeared without immediate investigation. His crimes shocked the world not only because of the staggering number of alleged victims, but also because López appeared calm and cooperative while confessing to investigators. Despite claiming responsibility for hundreds of murders, he ultimately served a relatively short prison sentence before disappearing after his release, creating ongoing fear and controversy surrounding his whereabouts and possible later crimes.

David Parker Ray became one of the most infamous serial offenders in American history after constructing a soundproof torture chamber inside a trailer on his property in Truth or Consequences, New Mexico. Known as the "Toy-Box Killer," Ray was convicted of kidnapping, torture, and sexual offences against multiple women. Although investigators suspected he murdered numerous victims over several decades, no homicide convictions were ever secured because no bodies were recovered. His crimes remain among the most disturbing criminal investigations in modern American history.

Rosemary Pauline West became one of the United Kingdom's most infamous serial killers after participating in a series of murders with her husband, Fred West, between the 1970s and 1980s. Convicted of ten murders in 1995, Rose played a central role in abusing, controlling, and murdering young women and girls, many of whom were buried at the couple's home at 25 Cromwell Street in Gloucester. The case shocked Britain because of the scale of the crimes and the years they remained hidden behind the façade of an ordinary family.

Israel Keyes became one of America's most infamous serial killers after carrying out a series of meticulously planned murders across multiple states between 2001 and 2012. Unlike many serial offenders, Keyes travelled extensively, buried "kill kits" years in advance, and deliberately selected victims with no personal connection to him. Although he confessed to eight murders, investigators believe the true number of victims may never be known due to his suicide before revealing the full extent of his crimes.

Andrei Chikatilo became one of the Soviet Union’s most infamous serial killers after murdering and mutilating dozens of women and children across Russia and Ukraine between 1978 and 1990. Nicknamed “The Butcher of Rostov” and “The Red Ripper,” Chikatilo terrorized the Soviet Union for over a decade while authorities struggled to identify the perpetrator amid political pressure, investigative failures and widespread public fear. His crimes shocked investigators because of their extreme brutality, sexual sadism and mutilation of victims. Chikatilo appeared outwardly quiet and socially awkward, allowing him to blend into ordinary Soviet society while secretly carrying out one of the deadliest serial murder sprees in modern history. His eventual arrest and confession exposed major flaws within the Soviet criminal justice system and transformed the case into one of the most notorious serial killer investigations ever conducted behind the Iron Curtain.

Albert Fish became one of the most horrifying killers in American history after murdering children during the early 1900s and later sending grotesque letters to victims’ families. Known for extreme sadism, self-harm and cannibalistic behavior, Fish terrorized New York and surrounding states while hiding behind the appearance of a quiet elderly man. Often referred to as “The Gray Man,” “The Boogeyman” and “The Werewolf of Wysteria,” Fish shocked investigators and the public because of the disturbing nature of his crimes and psychological abnormalities. His case became one of the earliest high-profile examples of criminal profiling and remains one of the darkest child murder cases in American true crime history.

William George Bonin became one of America's most infamous serial killers after murdering at least 21 boys and young men across Southern California between 1979 and 1980. Known as the "Freeway Killer" or "Highway Killer," Bonin often worked with teenage accomplices to abduct victims before murdering them and abandoning their bodies near California freeways. His crimes generated widespread public fear and resulted in multiple convictions, death sentences, and life imprisonment for several accomplices.

Robert William Pickton became one of Canada's most infamous serial killers after murdering women from Vancouver's Downtown Eastside during the 1990s and early 2000s. Convicted of six murders but believed by investigators to have killed many more, Pickton targeted vulnerable women, many involved in sex work or struggling with addiction, before disposing of their remains on his rural pig farm in Port Coquitlam, British Columbia. The investigation exposed major policing failures and remains one of the largest serial murder cases in Canadian history.