Motivations - Revenge

The Tammi Pointer Killers refers to the group of six offenders responsible for the abduction, prolonged assault, murder, and burning of 18-year-old Alishah "Tammi" Pointer in Gary, Indiana, in October 1990. The offenders acted together throughout the crime, which culminated in Pointer being set on fire while still alive. The case remains one of Indiana's most notorious group murders because of its extreme violence, multiple perpetrators, and the lengthy prison sentences imposed following their convictions.

Ian Rich became known in Ohio criminal history after carrying out a targeted drive-by shooting on Interstate 77 that killed David Perez and seriously wounded Jacqueline Perez on April 28, 2024. Prosecutors alleged Rich deliberately followed the couple from Newburgh Heights before pulling alongside their vehicle and firing multiple gunshots. He later pleaded guilty to involuntary manslaughter, attempted murder, and firearms offences, receiving a prison sentence of 40 to 46½ years. The case attracted significant attention because of the seemingly unprovoked nature of the attack and subsequent claims regarding Rich's mental health and drug use.

Edmund Emil Kemper III, known as the "Co-ed Killer," became one of America's most notorious serial killers after murdering ten people between 1964 and 1973, including his grandparents, six female college students, his mother's friend, and finally his own mother. His intelligence, willingness to discuss his crimes in detail, and extensive interviews with FBI profilers made him one of the most extensively studied serial killers in criminal psychology.

Mitchell Sims became one of America's most notorious transient serial killers after carrying out a series of murders across multiple states during the 1980s. Nicknamed the "Pizza Hut Serial Killer," Sims was convicted of abducting, robbing, and murdering pizza delivery driver John Harrington in Las Vegas, Nevada, while investigators also linked him to the murders of another pizza employee and a customer in South Carolina. His willingness to kill complete strangers during robberies, combined with his mobility across state lines, made him one of the FBI's most infamous traveling serial offenders before his execution in 2015.

Julian Knight became one of Australia’s most notorious mass killers after carrying out the Hoddle Street massacre in Melbourne, Victoria, on August 9, 1987. Armed with multiple firearms, Knight opened fire on motorists and pedestrians along Hoddle Street, killing seven people and injuring numerous others in one of the deadliest mass shootings in Australian history at the time. The massacre shocked the nation and permanently altered public discussion surrounding gun control, mass violence, and offender psychology in Australia. Knight’s age, military background, and apparent emotional instability became major focuses during the investigation and trial. The case remained deeply embedded in Australian criminal history and later contributed to broader national debates surrounding firearm access and responses to mass casualty attacks.

Leo Boatman became notorious after carrying out a deadly stabbing attack on Bournemouth beach in England in 2024. The case generated major media attention across the United Kingdom because the killings occurred in a busy public coastal area during the evening, creating widespread panic and horror among witnesses. Boatman’s violent behavior, criminal background and apparent disregard for human life later became central issues throughout the investigation and court proceedings. The murders reignited public debate surrounding violent repeat offenders, knife crime and public safety in British coastal nightlife areas.

Luigi Mangione became internationally known after being accused of assassinating a major American healthcare executive in New York City in 2024. The killing shocked the United States not only because of the high-profile target, but also because authorities alleged the attack was ideologically motivated and carefully planned. Following his arrest, Mangione rapidly became one of the most discussed criminal figures in modern America. The case generated enormous political and cultural debate surrounding healthcare systems, online radicalization, anti-corporate extremism and public reactions to targeted violence. His background as a highly educated young man from a privileged upbringing further intensified national fascination surrounding the case.

Joran van der Sloot became internationally infamous after years of deception, manipulation and violent criminal behavior connected to multiple international investigations. Long before receiving a murder conviction in Peru, van der Sloot had already become one of the most recognizable criminal suspects in the world due to his constant media appearances, contradictory statements and apparent obsession with controlling public narratives surrounding himself. Van der Sloot developed a reputation as a pathological liar who repeatedly exploited media attention, manipulated investigators and inserted himself into global headlines for nearly two decades. His later murder conviction and extortion schemes cemented his image as a narcissistic and dangerous offender whose crimes extended far beyond a single homicide investigation.