Motivations - Power Control

Zachary Harp became publicly known following his involvement in the investigation into the death of his sister, Katlyn Harp, in West Virginia. The deeply disturbing family murder case generated outrage because multiple household members were accused in connection with the abuse and killing of the teenage victim. Authorities alleged Zachary Harp participated in violence and abuse directed toward Katlyn before her death. Prosecutors described the case as involving severe mistreatment within the household, with evidence pointing to prolonged abuse and efforts to conceal what occurred. The investigation shocked the local community and drew significant regional media attention.

Bradley Murdoch became one of Australia’s most infamous killers after murdering British backpacker Peter Falconio in the Northern Territory Outback in 2001. The case shocked Australia and the United Kingdom due to the remote desert setting, the disappearance of Falconio’s body and the terrifying survival story of Falconio’s girlfriend, Joanne Lees. Murdoch was portrayed as a violent drug-running truck driver with links to criminal networks across remote Australia. His conviction became one of the country’s most high-profile murder cases, inspiring documentaries, books and films while generating decades of speculation about what truly happened in the Outback. Murdoch maintained his innocence until his death from throat cancer in 2025, never revealing the location of Falconio’s remains.

Craig Mulligan became one of the United Kingdom’s most shocking juvenile killers after being convicted for his role in the murder of a five-year-old child in South Wales in 2021. The case horrified Britain because Mulligan was only 13 years old at the time of the killing, making him one of the youngest convicted murderers in modern Welsh criminal history. The investigation generated enormous public outrage after details emerged about abuse inside the household, repeated safeguarding failures and warnings allegedly ignored by authorities before the murder occurred. The case later became one of Britain’s most disturbing examples of child-on-child violence combined with systemic failures involving social services and child protection agencies.

Angharad Williamson became one of the United Kingdom's most reviled child killers after murdering her two young sons, John Paul Bennett and Jake Bennett, alongside her partner, Jamie Barrow, in South Wales in 2020. The boys endured prolonged abuse before being killed inside their family home. Following a high-profile trial, Williamson and Barrow were convicted of murder and sentenced to life imprisonment, with the case prompting renewed calls for stronger child protection measures.

Curtis Wayne Wright became known in American criminal history after participating in the 2015 murder-for-hire of Dr. Teresa Sievers in Bonita Springs, Florida. A longtime friend of Teresa's husband, Mark Sievers, Wright helped plan the killing before recruiting Jimmy Rodgers to assist in carrying out the attack. Wright later pleaded guilty, cooperated with prosecutors, and testified against both Rodgers and Mark Sievers, making him the key witness in one of Florida's most high-profile murder-for-hire cases.

James "Jimmy" Rodgers became one of Florida's most notorious contract killers after participating in the 2015 murder of Dr. Teresa Sievers in Bonita Springs. Hired through a murder-for-hire plot orchestrated by Teresa's husband, Mark Sievers, Rodgers travelled from Missouri to Florida with Curtis Wayne Wright and fatally attacked the victim inside her home. His conviction, along with those of his co-conspirators, brought an end to one of the state's most widely publicized murder-for-hire investigations.

Christian Longo became one of America’s most notorious family killers after murdering his wife and three young children before fleeing the country and assuming a new identity in Mexico. The horrifying case shocked the United States in 2001 due to the brutality of the crimes and Longo’s efforts to escape responsibility by reinventing himself as a carefree tourist while his family’s bodies were being recovered from the Oregon coast. Longo was portrayed as a manipulative conman who spent years hiding financial fraud, lies and personal failures behind the image of a devoted husband and father. His case later gained worldwide attention through books, documentaries and the film adaptation of True Story, which explored Longo’s deception, narcissism and relationship with journalist Michael Finkel.

Sean Grayson is a former Illinois sheriff’s deputy convicted of second-degree murder following an on-duty fatal shooting in 2024. Born around 1993–1994, he was approximately 30 years old at the time of the incident. His case became a high-profile example of police accountability in the United States, resulting in a 20-year prison sentence in 2026.