Alive Killers

Christopher Monks Jr. became the subject of a high-profile criminal case after conspiring to murder his adoptive parents in Kent, England, in 2009. The plot involved recruiting an online acquaintance, Shaun Skarnes, to carry out the killings while his parents slept. The attack failed when Christopher Monks Sr. awoke and disarmed the intruder before police were called. Monks was convicted of conspiracy to murder and made subject to an indefinite hospital order.

Courtney Taylor Clenney, known online as Courtney Tailor, was convicted of manslaughter after fatally stabbing her boyfriend, 27-year-old Christian “Toby” Obumseli, inside their Miami condominium on April 3, 2022. Clenney initially claimed she had acted in self-defense during a violent confrontation, but she was arrested and charged with second-degree murder. After spending four years in custody awaiting trial, Clenney accepted a plea agreement in August 2026, pleading guilty to manslaughter with a deadly weapon. She was sentenced to six years in prison, with credit for time served, followed by five years of probation.

Courtney Kelly became publicly known after being convicted in the 2012 murder of Gale Spencer during a home invasion robbery in Macon, Georgia. Prosecutors alleged Kelly participated alongside three co-defendants during the violent crime. The case generated local attention because of the multiple offenders involved in the fatal robbery. Authorities later secured convictions against all four defendants connected to Spencer’s death. Courtney Kelly ultimately received a life sentence.

Craig Mulligan became one of the United Kingdom’s most shocking juvenile killers after being convicted for his role in the murder of a five-year-old child in South Wales in 2021. The case horrified Britain because Mulligan was only 13 years old at the time of the killing, making him one of the youngest convicted murderers in modern Welsh criminal history. The investigation generated enormous public outrage after details emerged about abuse inside the household, repeated safeguarding failures and warnings allegedly ignored by authorities before the murder occurred. The case later became one of Britain’s most disturbing examples of child-on-child violence combined with systemic failures involving social services and child protection agencies.

Curtis Wayne Wright became known in American criminal history after participating in the 2015 murder-for-hire of Dr. Teresa Sievers in Bonita Springs, Florida. A longtime friend of Teresa's husband, Mark Sievers, Wright helped plan the killing before recruiting Jimmy Rodgers to assist in carrying out the attack. Wright later pleaded guilty, cooperated with prosecutors, and testified against both Rodgers and Mark Sievers, making him the key witness in one of Florida's most high-profile murder-for-hire cases.

Dale Bradley Jr. was convicted of killing 22-year-old Kennecott security guard Bryan Ruff in Utah in December 1991. Ruff, who was having an affair with Bradley's first wife, Kristi, disappeared from his guard post during a night shift and was found nearly 19 months later in a shallow grave near Five Mile Pass. Investigators eventually linked Bradley to the killing through physical evidence and witness testimony. Bradley originally faced a first-degree murder charge but entered an Alford plea to manslaughter and kidnapping in 2007 and received two consecutive prison terms of two to 20 years. In 2025, while seeking parole, Bradley finally admitted that he shot Ruff, saying anger and jealousy had overtaken him.

Daniel Charles "Dan" Howard, a former Idaho State Police trooper, murdered his wife Kendy Howard at their home in Athol, Idaho, on February 2, 2021, before staging the scene to make her death appear to be a suicide. Howard initially told police that Kendy had shot herself in the bathtub, but investigators found inconsistencies at the scene and later concluded that he had strangled her before placing her body in the bathtub and firing a gunshot into her mouth. After a two-year investigation, Howard was charged with murder and convicted of second-degree murder and domestic battery in March 2024. He was sentenced to life imprisonment without the possibility of parole in May 2024.

Daniel Krug is an American man convicted of the 2020 murder of his wife in Topeka, Kansas. The case became widely known due to the elaborate and sustained deception he created to conceal the crime, including fabricating a false stalker narrative to mislead investigators. He was later arrested, convicted, and sentenced to a lengthy term of imprisonment.