Overview

• Nikita Casap, 17, faces charges including two counts of first-degree intentional homicide for the February killings of his mother, Tatiana Casap, and stepfather, Donald Mayer, in Waukesha, Wisconsin.
• Prosecutors claim Casap lived with the decomposing bodies for nearly two weeks, attending school and using his stepfather’s accounts to communicate with others before fleeing on February 24, 2025.
• Authorities discovered video evidence showing Casap lighting candles near his stepfather’s corpse and communicating about plans to flee to Ukraine and assassinate Donald Trump.
• Casap was arrested in Kansas on February 28, 2025, during a traffic stop, where police found a firearm matching the murder weapon and other incriminating evidence in his stepfather’s car.
• His preliminary hearing is scheduled for April 9, 2025, as prosecutors continue to present disturbing evidence, including video recordings and digital communications.