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Tatiana Casap

Case from Waukesha, WI dated Feb 28, 2025

Victim Details

Tatiana Casap

Female

White / Caucasian

Waukesha

WI

2025-02-28

35

Tatiana

Casap

09/21/2026

Case Description

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Tatiana Casap, a 35-year-old White/Caucasian woman, was found dead inside her family's home on Cider Hills Drive in the Village of Waukesha, Wisconsin, on February 28, 2025. Although her body was discovered that day, investigators later concluded that she had actually been killed on February 11, approximately 17 days before deputies entered the residence. Her husband, Donald Mayer, was also found dead elsewhere inside the home. Investigators determined that both had suffered gunshot wounds.
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Links to Additional Sources (21)

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  • ABC News: Wisconsin teen allegedly killed parents in extremist plot to assassinate Trump, FBI says
  • TMJ4 News: Family identifies dead man in Waukesha investigation, details unusual circumstances
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    Forum Posts (2)

    I spent some time thinking about the details of the Tatiana Casap case, and something that's really ... ...Read More
    03/24/2025
    I came across an unsettling detail about this case that I haven't seen discussed much: the behavior ... ...Read More
    03/11/2025
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