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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.
Bryan Kohberger is an American man charged in connection with the 2022 murders of four university students in Moscow, Idaho. At the time of the incident, he was a criminology PhD student at Washington State University, located a short distance from the crime scene. The case gained widespread national and international attention due to the number of victims, the nature of the attack, and Kohberger’s academic focus on criminal behaviour. He was arrested in December 2022, and legal proceedings are ongoing.
Rex Heuermann became one of America’s most infamous alleged serial killers after being charged in connection with the Gilgo Beach murders on Long Island. The architect from Massapequa Park shocked the United States because prosecutors alleged he secretly murdered multiple women for years while outwardly living as a married family man and successful New York professional. The Gilgo Beach investigation became one of the most heavily publicized serial killer cases in modern American history after human remains were discovered along Ocean Parkway near Long Island’s South Shore. Authorities later accused Heuermann of targeting vulnerable women, particularly sex workers, before allegedly carrying out murders over an extended period while avoiding detection for more than a decade.
Mark Sievers became infamous after orchestrating the brutal murder-for-hire killing of his wife inside their Florida home in 2015. The case shocked the United States because the victim was a highly respected physician and mother, while investigators later uncovered a conspiracy involving Sievers, close friends and hired killers. Authorities described the crime as a calculated and financially motivated murder plot driven by greed, personal dysfunction and manipulation. The investigation later exposed disturbing details involving staged alibis, conspiracy planning and violent execution-style attacks, transforming the case into one of Florida’s most heavily publicized murder-for-hire prosecutions.
Ed Kemper, known as the “Co-Ed Killer,” is an American serial killer who murdered multiple young women and members of his own family in the early 1970s. His crimes were notable for their brutality and for his willingness to speak openly about them after his arrest. Kemper turned himself in to police and later provided extensive insights into his psychology, assisting law enforcement in understanding serial offenders. His case remains one of the most studied in criminal psychology due to his intelligence and self-awareness.
Grant Amato became infamous after murdering members of his own family inside their Florida home in 2019 following an escalating financial and psychological obsession with an online cam model. The case shocked the United States because investigators uncovered extreme levels of deception, addiction, theft and fantasy-driven behavior leading up to the killings. The murders later became one of the internet era’s most heavily discussed family annihilation cases due to the bizarre combination of online obsession, financial ruin and emotional isolation surrounding Amato’s motive. Extensive documentaries, podcasts and streaming coverage transformed the case into a major true crime phenomenon focused on digital addiction and parasocial relationships.
Jennifer Pan is a Canadian woman convicted of orchestrating the murder of her mother and the attempted murder of her father in 2010. She arranged for hired attackers to carry out the crime inside her family home. The case revealed a pattern of deception and manipulation, including fabricated achievements and a hidden double life. Pan was ultimately convicted and sentenced to life imprisonment, with the case becoming widely known through media coverage and documentaries.
Richard Cottingham, known as the “Torso Killer,” is an American serial killer responsible for a series of murders in the 1970s, primarily targeting women in New York and New Jersey. His crimes were marked by extreme violence and mutilation. After his arrest, Cottingham was convicted of multiple murders and later confessed to additional killings. His case remains one of the most disturbing in U.S. criminal history, with ongoing investigations continuing to uncover further victims.
Michael Swango became one of the most notorious medical serial killers in American history after being linked to a series of poisonings involving patients, coworkers, and acquaintances over several decades. A licensed physician and former paramedic, Swango exploited positions within hospitals and medical institutions to gain access to vulnerable victims while maintaining the outward image of a highly educated healthcare professional. The case generated international attention because Swango continued obtaining medical employment despite repeated suspicions, disciplinary actions, and criminal convictions. Investigators later connected him to deaths and poisonings across the United States and Africa, leading many experts to believe the true number of victims may never be fully known. His ability to repeatedly evade detection turned the case into one of the most disturbing examples of institutional failure and medical predation in modern criminal history.
Mick Philpott is a British man convicted of the manslaughter of six of his children in a house fire in Derby in 2012. The fire was deliberately started as part of a plan to frame his former partner in a custody dispute, but it tragically resulted in the deaths of the children. The case shocked the United Kingdom due to the scale of the tragedy and the calculated nature of the plan. Philpott was sentenced to life imprisonment, and the case sparked widespread public debate about social services and family welfare oversight.
David Carpenter, known as the "Trailside Killer," is an American serial killer responsible for a series of murders in California during the late 1970s and early 1980s. He targeted victims in remote park areas, often attacking hikers along trails. Carpenter was eventually arrested and convicted of multiple murders, receiving a death sentence. His case remains notable for the fear it instilled among outdoor communities and the extensive manhunt that led to his capture.
Allan Legere is a Canadian serial killer known as the "Monster of the Miramichi," responsible for a series of brutal murders and assaults in New Brunswick in the late 1980s. His crimes were marked by extreme violence and terrorized local communities. Legere escaped custody during his initial imprisonment, committing additional crimes before being recaptured. He was later convicted and sentenced to life imprisonment, with his case becoming notable for the use of DNA evidence in securing his conviction.
Levi Bellfield is a British serial killer responsible for multiple murders in the early 2000s, including the killings of Marsha McDonnell, Amélie Delagrange, and Milly Dowler. He targeted young women and girls, often attacking in public places with extreme violence. Bellfield was eventually arrested and convicted, receiving a whole life order. His crimes shocked the United Kingdom and led to widespread media coverage, particularly due to the abduction and murder of schoolgirl Milly Dowler.
Dale Cregan is a British criminal responsible for a series of murders in Greater Manchester, including the killing of two police officers in 2012. His crimes were linked to gang-related violence and ongoing feuds. Cregan later surrendered to police and was convicted of multiple murders, receiving a whole life order. His case shocked the public due to the deliberate targeting of law enforcement officers.
Wayne Couzens became one of Britain’s most notorious killers after abducting, raping and murdering Sarah Everard in London in 2021 while serving as a Metropolitan Police officer. The case horrified the United Kingdom because Couzens used his police credentials and authority to falsely arrest Everard before carrying out the murder. The killing triggered national outrage, widespread protests and intense scrutiny of policing culture within the United Kingdom. Couzens’ crimes exposed serious failures surrounding misconduct warnings and vetting processes inside British law enforcement, while the murder of Sarah Everard became one of the most significant criminal and social justice cases in modern British history.
Erin Caffey is an American woman convicted for orchestrating the murder of her mother and two younger brothers in Texas in 2008. At just 16 years old, she persuaded her boyfriend and accomplices to carry out the killings after her parents disapproved of the relationship. The case shocked the public due to her age and the calculated nature of the crime. Caffey was later sentenced to life imprisonment, and her case remains a disturbing example of manipulation and family-directed violence.
Lorenzo Gilyard is an American serial killer known as the "Kansas City Strangler," responsible for the murders of multiple women in Missouri during the late 1970s. His crimes were characterized by strangulation and targeting vulnerable victims. Gilyard was eventually arrested and convicted, receiving multiple life sentences. His case remained unsolved for years before advancements in forensic techniques helped link him to additional murders.
Mark Riebe is an American man convicted of the murder of a young woman in Florida in 1998, a case that remained unsolved for years before being reopened with new evidence. He was later linked to the killing through advances in forensic investigation. Riebe was convicted and sentenced to life imprisonment. His case highlights how cold cases can eventually be solved through persistence and improvements in investigative techniques.
Kenneth Bianchi was one of the "Hillside Stranglers," responsible for a series of murders in California during the late 1970s. He committed the crimes alongside his cousin Angelo Buono. Bianchi was eventually arrested and convicted, receiving a life sentence. His attempts to feign multiple personality disorder during the investigation became a notable aspect of the case.
Brian Draper is an American man convicted of the 2006 murder of a classmate in Idaho alongside an accomplice. The crime was premeditated and recorded, drawing widespread attention. Draper was arrested and sentenced to life imprisonment. The case became notable due to the influence of violent fantasies and the disturbing nature of the recorded evidence.