Kenneth Bianchi
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.

Kevin West
Kevin West is an American convicted murderer and former battalion chief with the Camas-Washougal Fire Department in Washington. In January 2026, he was convicted of first-degree murder for strangling his wife, Marcelle "Marcy" West, inside their Washougal home in January 2024. Prosecutors proved West staged the killing as a medical emergency by falsely reporting that his wife had suffered a seizure. He was sentenced to 25 years' imprisonment in February 2026.

Kouri Richins
Kouri Richins became one of the most heavily discussed true crime defendants in the United States after prosecutors accused the Utah mother and real estate investor of murdering her husband, Eric Richins, with a fatal dose of fentanyl in 2022. The case exploded into national headlines after investigators revealed that Richins later published a childrenās book about grief dedicated to helping children cope with the death of a parent, creating widespread public fascination and intense media scrutiny. Prosecutors alleged the killing was financially motivated and tied to marital conflict, property disputes, and life insurance concerns. The investigation quickly expanded beyond the poisoning allegations and into Richinsā business dealings, finances, deleted communications, and alleged attempts to obtain fentanyl before her husbandās death. The combination of an affluent family image, childrenās grief book promotion, and accusations of secret financial pressure turned the case into a major modern true crime story followed closely across television, podcasts, social media, and online crime communities.

Kyle Clifford
Kyle Clifford is a British man convicted in connection with a 2024 triple homicide in Hertfordshire, England. The case involved the killing of multiple members of a family following the breakdown of a personal relationship. He was later convicted and received a whole-life sentence, meaning he will remain in prison for the rest of his life.

Lance Kirkpatrick
Lance Kirkpatrick became one of Australia's most widely reported convicted killers after being found guilty of the 2022 murder of Melbourne mother Samantha Murphy. Murphy's disappearance prompted an extensive search across regional Victoria before investigators built a circumstantial case that ultimately led to Kirkpatrick's conviction. The case attracted national attention because of the lengthy investigation, widespread community involvement, and the absence of the victim's recovered remains.

Larissa Schuster
Larissa Schuster became widely known after being convicted in the murder of her husband, Tim Schuster, in a case that became infamous as The Acid Barrel Murder. Prosecutors alleged Schuster killed her husband during escalating marital and financial conflict before attempting to dispose of his body using industrial acid inside large storage barrels at the family property in California with the help of James Fagone.

Lawrence Bittaker
Lawrence Sigmund Bittaker became one of the most infamous serial killers in American history after murdering five teenage girls alongside accomplice Roy Lewis Norris during a five-month period in Southern California in 1979. Operating from a customized van that became known as the "Murder Mac," the pair targeted runaway and hitchhiking teenagers before killing them and disposing of their bodies in remote mountain areas. Bittaker was convicted of five murders and sentenced to death, remaining on California's death row until his death in prison in 2019.

Leo Boatman
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. Boatmanās 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.