No Further Event Killers

Lyle Menendez became one of the most infamous figures in American true crime history after he and his younger brother, Erik Menendez, were convicted of murdering their wealthy parents inside their Beverly Hills mansion in 1989. The shocking nature of the killings, combined with the family’s image of wealth and privilege, turned the case into a global media obsession throughout the 1990s. Lyle was portrayed by prosecutors as manipulative, arrogant and motivated by greed, while the defense argued he was a deeply traumatised son shaped by years of alleged emotional, physical and sexual abuse inside the Menendez household. Decades later, the Menendez brothers case remains one of the most debated family murder cases in American criminal history.

Lynlee Renick was convicted of second-degree murder and armed criminal action for the June 2017 shooting death of her husband, Benjamin “Ben” Renick, a prominent exotic snake breeder in New Florence, Missouri. Ben was found dead inside his reptile facility after being shot eight times. Prosecutors argued that Lynlee had attempted to poison him before arranging for her former boyfriend, Michael Humphrey, to help kill him. The prosecution ultimately argued that Lynlee was the person who pulled the trigger. She was sentenced to 16 years in prison in January 2022.

Mario Schembri is an Australian convicted killer who pleaded guilty to the manslaughter of Melbourne businessman Herman Rockefeller in January 2010. After a violent confrontation at Schembri's Hadfield home, Rockefeller died from injuries sustained during the assault. Schembri subsequently dismembered the victim's body with a chainsaw and burned the remains in an attempt to conceal the crime. He was sentenced to nine years' imprisonment with a non-parole period of seven years.

Mark Daniel Gooch murdered 27-year-old Mennonite teacher Sasha Krause in January 2020 after travelling from Arizona to the Mennonite community where she lived near Farmington, New Mexico. Krause disappeared on January 18 while retrieving materials for a Sunday school class, and her body was discovered more than a month later in the Coconino National Forest near Flagstaff, Arizona. She had been shot in the head and her wrists were bound. Gooch, who had been raised in the Mennonite faith but later rejected it, was convicted of first-degree murder and kidnapping in October 2021 and sentenced to natural life imprisonment plus five years for kidnapping in January 2022.

Mark Douglas Hacking murdered his pregnant wife, Lori Hacking, in July 2004 after she uncovered years of deception about his education, employment and plans to attend medical school. After initially reporting Lori missing and participating in public searches, Hacking became the focus of the investigation as detectives uncovered evidence contradicting his account. He eventually admitted killing Lori, disposing of her body in a landfill and attempting to conceal the crime. In 2005, Hacking pleaded guilty to first-degree murder and was sentenced to life imprisonment with the possibility of parole.

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.

Mark Howard Wilson Jr. was convicted of murdering brothers Robert Baker, 12, and Tayten Baker, 14, in Melrose, Florida, on August 26, 2020. Wilson was the boyfriend of the boys' aunt, Cynthia Guinan, and had moved with her and their young daughter into a shed on the Baker family's property only five days before the killings. Robert and Tayten were found beaten with a hammer and had their throats cut. Wilson was convicted of two counts of first-degree murder, burglary with assault or battery and armed burglary. A jury unanimously recommended death, and in January 2023 a judge sentenced him to death for both murders. The Florida Supreme Court affirmed his convictions and sentences in May 2025.

Marshella Chidester is an American woman convicted in connection with a fatal vehicle incident in Michigan in 2024. The event occurred when she drove into a building during a private gathering, resulting in multiple deaths and injuries. The case gained national attention due to the circumstances of the incident and the loss of young lives. Chidester was later convicted and sentenced to a lengthy prison term.