A Wisconsin man who reportedly claimed demonic possession just days before a violent attack has been sentenced to life behind bars for the murder of a new homeowner and his loyal dog.
Justin Tercek, 43, was convicted in the brutal death of 52-year-old Andrew Pfannkuche, who had only been living in his dream home for three days before the nightmare began.
According to court documents, Tercek broke into Pfannkuche’s property on Feb. 3, 2025, claiming his late grandmother was the true owner and that Pfannkuche was trespassing. He allegedly even took a set of keys from the home.
The home had been purchased by Pfannkuche from Tercek’s grandmother’s estate, but that didn’t stop Tercek from returning multiple times, according to reports.
Tragically, on his final visit, Tercek is accused of fatally stabbing Pfannkuche and his dog, Jake.
Later that day, Tercek’s own relatives reportedly arrived at the home to apologize for his earlier behavior—only to discover Pfannkuche’s body.
Tercek was found guilty in April on charges including first-degree intentional homicide, mistreatment of animals causing death, and burglary. In July, he was sentenced to life in prison without the possibility of parole.
At sentencing, sources revealed Tercek had just been released from jail before the attack. He reportedly told a pastor the day before that he was possessed by demons.
Tercek chose not to address the court, but Pfannkuche’s family delivered heartbreaking impact statements.
His niece, Antoinette Leon, said through tears that there would be no closure. She added, “Nothing will ever bring my uncle Andy or Jake back.”
Pfannkuche was remembered as a generous man who loved NASCAR, classic movies, and fixing anything that needed repair. His obituary called him a man who made everyone feel valued.
What could drive someone to such violence—and do demonic claims hold any weight in a court of law?