Victim Targets - Children

Pedro López (Monster of the Andes)
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.

Robert Black
Robert Black was a Scottish serial killer and paedophile convicted of the kidnapping, rape, and murder of four girls aged 5 to 11 in the United Kingdom between 1981 and 1986. As a long-distance delivery driver, he exploited his mobility to abduct victims from different regions, subjecting them to horrific sexual assaults before killing them and disposing of their bodies far from the abduction sites.

Andrei Chikatilo (The Butcher of Rostov)
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 (The Gray Man)
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.

Arthur Shawcross (The Genesee River Killer)
Arthur John Shawcross became one of America's most infamous serial killers after murdering 14 people in New York between 1972 and 1989. After serving a prison sentence for killing two children, Shawcross was released on parole and later went on to murder at least 12 women in the Rochester area. His crimes remained unsolved for several years before investigators linked him to the murders through surveillance, witness testimony, and forensic evidence. Shawcross was sentenced to 250 years in prison, where he remained until his death in 2008.

Robert Napper (The Green Chain Rapist)
Robert Clive Napper became one of the United Kingdom's most infamous serial killers after murdering Rachel Nickell in 1992 and Samantha Bisset and her four-year-old daughter, Jazmine, in 1993. Before his identification, Napper committed numerous violent sexual assaults across South East London, becoming known as the "Green Chain Rapist." Advances in DNA profiling eventually linked him to the murders after years of investigative failures, making his case one of Britain's most significant forensic breakthroughs.

Adolfo Constanzo (The Godfather of Matamoros, El Padrino)
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
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.