Justin Mohn
Justin Mohn is accused of beheading and displaying his father's decapitated head on YouTube.

Kalen Schlatter
Kalen Schlatter is a Canadian man convicted of the 2017 murder of a woman in Toronto, Ontario. The case gained national attention due to the circumstances of the disappearance and the subsequent discovery of the victim. Schlatter was later arrested, convicted of first-degree murder, and sentenced to life imprisonment. His conviction was upheld on appeal, confirming his responsibility for the killing.
Kalvin Allison
Kalvin Allison is the person accused and interrogated for killing his neighbor
Katherine Knight
Australian woman who was convicted for the murder and cannibalism of her de facto partner
Keith Jesperson
Keith Jesperson is a notorious serial killer known as the 'Happy Face Killer' responsible for multiple murders in the U.S.
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.