FBI agents say that Wisconsin teen Nikita Casap has been arrested for allegedly killing his parents in a plot to assassinate Trump and Vance.
A Wisconsin teen allegedly killed his parents to “obtain the financial means and autonomy necessary” to kill President Donald Trump and overthrow the U.S. government, federal authorities said in court documents.
Waukesha County Sheriff’s Department News Release Update
March 27, 2025
The Waukesha County Sheriff’s Department, in close collaboration with the Waukesha County District Attorney’s Office, has announced significant developments in the ongoing investigation involving Nikita Casap. In light of new evidence and findings, Mr. Casap has been formally charged with several new offenses. The charges include:
• 2 Counts of 1st Degree Intentional Homicide
• 2 Counts of Hiding a Corpse
• Theft of Property Over $10,000
• 2 Counts of Misappropriating ID to Obtain Money
The Sheriff’s Department remains steadfast in its commitment to a thorough and transparent investigative process, ensuring justice is served. We continue to work diligently to gather all pertinent information and evidence in this case.
The charges are a result of meticulous investigation efforts emphasizing our dedication to community safety and justice. Members of the community are encouraged to contact the Waukesha County Sheriff’s Department with any additional information relevant to this case.
If you have additional information or leads pertaining to this case, please contact Detective Sam Yanke at 262-896-8117 or 262-548-7128. Your cooperation and understanding are appreciated as we proceed with this case to uphold the justice and peace of Waukesha County.
Update March 12th, 2025
The Waukesha County Sheriff’s Department confirms that 17-year-old Nikita Casap has been formally charged with Operating a Motor Vehicle Without the Owner’s Consent and Theft. Nikita Casap is currently in custody, and it is important to note that additional felony charges are forthcoming.
Nikita Casap remains a person of interest in the ongoing investigation into the deaths of his mother, Tatiana Casap, and stepfather, Donald Mayer. Our detectives are actively pursuing all leads and working diligently to gather evidence related to this case. The Waukesha County Sheriff’s Department remains dedicated to conducting a comprehensive investigation with integrity and continues to work closely with the Waukesha County District Attorney’s Office to ensure justice is served.
The Waukesha County Sheriff’s Department continues to seek the public’s assistance in the investigation into the deaths of Tatiana Casap and Donald Mayer. If you have information or leads pertaining to this case, please contact Detective Sam Yanke at 262-896-8117 or 262-548-7128.
Update March 5th, 2025
The Waukesha County Medical Examiner’s Office has positively identified the two deceased individuals as Donald Mayer (51) and Tatiana Casap (35). The identification process necessitated a delay due to the need for the highest level of accuracy, ensuring both thoroughness and respect for the deceased and their families.
Additional time was required to notify Tatiana’s next of kin, who resides outside of the United States.
The Waukesha County Sheriff’s Department coordinated translation services to facilitate effective communication, ensuring that all notifications were handled with maximum sensitivity and care.
We extend our deepest condolences to the families of Donald and Tatiana during this challenging time. Thank you for your understanding and patience as we worked diligently to provide accurate and respectful communication.
Update March 4th, 2025
The Waukesha County Sheriff’s Department announces the completion of autopsies for both victims in this ongoing investigation. Tentative identifications have been established, but our investigators, in partnership with the Medical Examiner’s Office, are actively engaged in confirming their identities as part of the investigative process.
This investigation remains active, and the Waukesha County Sheriff’s Department urges citizens with any information or leads concerning this case to contact Detective Sam Yanke at 262-896-8117 or 262-548-7128.
Update March 1st, 2025
Following continued investigation, the Waukesha County Sheriff’s Department has confirmed the discovery of two deceased individuals inside the residence. A person of interest is currently in custody on separate charges. The investigation is ongoing and remains active.
Death Investigation Village of Waukesha
On Friday, February 28th, 2025, at 9:44 a.m., the Waukesha County Communications Center received a call requesting a welfare check on a family residing in the Village of Waukesha. Deputies responded to the scene and discovered one resident deceased. At this time, the whereabouts of the other family members remain unknown.
The Waukesha County Sheriff’s Department is actively investigating the situation and working to determine the circumstances surrounding the incident. Further information will be provided as it becomes available. At this time, the Waukesha County Sheriff’s Department does not believe there is a threat to the community.
Lieutenant Nicholas Wenzel
Waukesha County Sheriff’s Office