American Family Annihilators

Nikita Casap is an American convicted double murderer who killed his mother, Tatiana Casap, and his stepfather, Donald Mayer, at their home in Waukesha, Wisconsin, in February 2025. Prosecutors established that the killings were committed to obtain money, weapons and independence to carry out a planned assassination of U.S. President Donald Trump using an explosive-laden drone. Casap pleaded guilty to two counts of first-degree intentional homicide and, in March 2026, was sentenced to life imprisonment without the possibility of parole.

Anthony Todt became one of Florida’s most infamous family annihilators after murdering his wife, three children, and family dog inside their Celebration, Florida home in 2019. Prosecutors alleged Todt killed the family over several days before living alongside the decomposing bodies while attempting to avoid financial collapse, criminal exposure, and personal ruin. The case generated intense national media attention because Todt publicly presented himself as a successful physical therapist and family man before the murders were uncovered. Investigators later revealed mounting financial fraud allegations, insurance investigations, and severe personal pressures surrounding Todt before the killings. The horrifying circumstances inside the home, combined with Todt’s shifting explanations and bizarre courtroom behavior, made the case one of the most heavily discussed family annihilation murders in modern American true crime.

Christian Longo became one of America’s most notorious family killers after murdering his wife and three young children before fleeing the country and assuming a new identity in Mexico. The horrifying case shocked the United States in 2001 due to the brutality of the crimes and Longo’s efforts to escape responsibility by reinventing himself as a carefree tourist while his family’s bodies were being recovered from the Oregon coast. Longo was portrayed as a manipulative conman who spent years hiding financial fraud, lies and personal failures behind the image of a devoted husband and father. His case later gained worldwide attention through books, documentaries and the film adaptation of True Story, which explored Longo’s deception, narcissism and relationship with journalist Michael Finkel.

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.

Nicholas “Nick” Browning is an American man convicted of the 2008 murders of his parents and two younger brothers in Maryland. At the time of the offence, he was 15 years old and living in a suburban family environment. The case gained national attention due to the age of the offender and the deliberate nature of the killings. Browning was later convicted and sentenced to multiple life terms.

Chandler Halderson is an American man convicted of the 2021 murders of his parents in Wisconsin. The case gained national attention due to the deception he maintained prior to the killings and the subsequent efforts to conceal the crime. Halderson was later convicted of multiple charges and sentenced to life imprisonment without the possibility of parole.

Diego Leyva is an American teenager charged in connection with a 2024 multiple homicide involving members of his immediate family in Belen, New Mexico. The case gained significant attention due to the severity of the incident and the age of the suspect. Leyva was taken into custody following the incident. Legal proceedings are ongoing, and no final conviction or sentence has been confirmed.

Chris Watts is an American family annihilator who murdered his immediate family in Colorado in 2018. His case gained widespread attention due to the contrast between his outward image as a quiet family man and the calculated nature of his actions. Watts initially attempted to mislead investigators and the public before confessing. He later pleaded guilty to multiple counts of murder and received multiple life sentences without the possibility of parole.