Nikita Casap murder case

Reference TimelineLast updated MAR 8
SUMMARY

Nikita Casap, 18, was sentenced to life in prison without parole on March 5, 2026, in Wisconsin for the 2025 murders of his parents, Tatiana Casap and Donald Mayer. As of March 7, 2026, Casap pleaded guilty to two counts of first-degree intentional homicide and stole $14,000 from his parents to fund a plot to assassinate President Trump using a drone and explosives. He was arrested in Kansas weeks after the murders, and the judge denied any possibility of extended release, citing the horrific nature of the offenses. Court documents released on January 21, 2026, alleged Casap was inspired by a White Supremacist Terrorgram Network figure, and authorities found a .357 Magnum handgun, ammunition, $14,000 in cash, passports, and a drone.

Timeline

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March 2026 — 3 developments

  1. Nikita Casap, 18, has been sentenced to life in prison without parole for the murders of his parents, Tatiana Casap and Donald Mayer, in 2025.

    Nikita Casap, 18, has been sentenced to life in prison without parole for the murders of his parents, Tatiana Casap and Donald Mayer, in 2025. Casap pleaded guilty to two counts of first-degree intentional homicide and stole $14,000 from his parents to fund a plot to assassinate President Trump using a drone and explosives. He was arrested in Kansas weeks after the murders.

  2. Nikita Casap, 18, was sentenced to life in prison without parole on March 5, 2026, for the murders of his mother and stepfather.

    Nikita Casap, 18, was sentenced to life in prison without parole on March 5, 2026, for the murders of his mother and stepfather. The judge denied any possibility of extended release, citing the horrific nature of the offenses. Casap had pleaded guilty to two counts of first-degree intentional homicide as part of a plea deal.

  3. Nikita Casap is scheduled for sentencing on March 5, 2026, for the murders of his mother and stepfather.

    Nikita Casap is scheduled for sentencing on March 5, 2026, for the murders of his mother and stepfather. New documents reveal his alleged radicalization prior to the killings, with discussions of extremist ideology found in online forums. The documents also detail a transformation after his arrest, showing remorse and self-reflection.

January 2026 — 3 developments

  1. Nikita Casap received two mandatory life sentences after pleading guilty to two counts of first-degree intentional homicide.

    Nikita Casap received two mandatory life sentences after pleading guilty to two counts of first-degree intentional homicide.

  2. Videos and documents related to the 2025 Waukesha homicides involving Nikita Casap were released to the public on January 21, 2026.

    Videos and documents related to the 2025 Waukesha homicides involving Nikita Casap were released to the public on January 21, 2026. Court documents allege Casap was inspired by a White Supremacist Terrorgram Network figure, and authorities found a .357 Magnum handgun, ammunition, $14,000 in cash, passports, and a drone.

  3. As part of his plea deal, prosecutors dropped seven other charges against Nikita Casap, including tw…

    As part of his plea deal, prosecutors dropped seven other charges against Nikita Casap, including two counts of hiding a corpse and theft, and the agreement allows a judge to determine his sentence.

May 2025 — 1 developments

April 2025 — 2 developments

  1. A search warrant reveals details from Casap's electronic devices, including an alleged plot to assassinate the U.

    A search warrant reveals details from Casap's electronic devices, including an alleged plot to assassinate the U.S. President and plans to escape to Ukraine, suggesting the killings were to obtain financial means for this plot.

  2. During a preliminary hearing, a judge finds probable cause, and the case is bound over for trial.

    During a preliminary hearing, a judge finds probable cause, and the case is bound over for trial.

March 2025 — 5 developments

  1. Nikita Casap, then 17, was charged with two counts of first-degree intentional homicide and two counts of hiding a corpse in Wisconsin.

    Nikita Casap, then 17, was charged with two counts of first-degree intentional homicide and two counts of hiding a corpse in Wisconsin. His mother, Tatiana Casap, and stepfather, Donald Mayer, were found deceased in their home on February 28, 2025, after their bodies had been decaying for weeks. Casap was arrested in Iowa in early March.

  2. Nikita Casap is formally charged with two counts of first-degree intentional homicide, two counts of hiding a corpse, theft, and identity theft.

    Nikita Casap is formally charged with two counts of first-degree intentional homicide, two counts of hiding a corpse, theft, and identity theft.

  3. A criminal complaint was filed on March 26, 2025, detailing charges against Nikita Casap for causing the death of his mother and stepfather on or about February 11, 2025.

    A criminal complaint was filed on March 26, 2025, detailing charges against Nikita Casap for causing the death of his mother and stepfather on or about February 11, 2025. The complaint also noted Casap was found in possession of their financial cards.

  4. Casap is initially charged with operating a motor vehicle without the owner's consent and theft of movable property (a gun).

    Casap is initially charged with operating a motor vehicle without the owner's consent and theft of movable property (a gun).

  5. Nikita Casap is apprehended in WaKeeney, Kansas, after a traffic stop, approximately 800 miles from his home.

    Nikita Casap is apprehended in WaKeeney, Kansas, after a traffic stop, approximately 800 miles from his home.

February 2025 — 2 developments

  1. Following welfare check requests, the decomposed bodies of Tatiana Casap and Donald Mayer are discovered in their Waukesha home.

    Following welfare check requests, the decomposed bodies of Tatiana Casap and Donald Mayer are discovered in their Waukesha home.