A 25‑year‑old son confessed to killing his 56‑year‑old father in a Wisconsin home, then tried to hide the body under a tarp in the laundry room. Prosecutors say the shocking admission came after police arrived for a welfare check, and the son now faces a first‑degree homicide charge.
## The Chilling Admission
Colton Christopherson told Wisconsin officers, “I killed him,” and added that his father had “been dead for over an hour.” The confession followed a brutal attack in which Colton plunged a knife into Allan Christopherson’s neck multiple times and covered the body with a green tarp inside the family’s laundry room.
## Attempted Burial and Cover‑up
According to a criminal complaint obtained by Law&Crime, Colton claimed he tried to bury his father on the family’s hunting land in Washburn County after the September 26 killing. He abandoned the plan when another person appeared on the property, prompting him to drive Allan’s body back to the family home in Casey. There, he dragged the corpse inside, scrubbed the basement, washed rugs, and wiped the “bloody floor” in an effort to erase evidence.
## Police Encounter
Deputies were conducting a welfare check after relatives and acquaintances expressed concern about Colton’s recent behavior and drug use. While approaching the residence, they saw Colton emerging from the garage in shorts and a white shirt. An officer asked if he was Colton; he confirmed and replied that his day was “fine,” extending a shaking hand to the deputy.
When the deputies asked where Allan was, Colton lowered his head, looked toward the house, and said, “He’s dead.” After the officers pressed for details, he bluntly answered, “I killed him.” The deputies immediately ordered him to place his hands behind his back and handcuffed him.
## Confirming the Death
The officers asked if Colton was certain his father was dead. He responded that Allan “had been dead for over an hour.” When asked how his father died, Colton said, “A knife.” Deputies later discovered Allan lying face‑down on a pool‑table cover with a green tarp draped over him, exactly as Colton had described.
## Evidence at the Scene
Blood spattered throughout the home, including “bloody footprints” in the basement where the pool table stood, corroborated the officers’ findings. The scene painted a grim picture of the violent act and the subsequent attempts to conceal it.
## Motive and Arrest
During questioning, Colton told police he had traveled from Minnesota because he believed his father had “hired someone to kill him.” He said Allan confirmed that suspicion during their confrontation. The complaint concludes that “Colton killed [Allan Christopherson], as it was better that he did it than someone else.”
Colton Christopherson was arrested and charged with first‑degree intentional homicide. Allan Christopherson was a beloved high‑school teacher and golf coach who led the Wayzata High School boys’ golf team to state championships in 2010, 2011, 2015, and 2017. An Instagram post from the team read, “Allan Christopherson … impacted hundreds of young golfers in his storied career. He will be missed by all who knew him.”
## Conclusion
The tragic case underscores how quickly familial bonds can shatter into violence, leaving a community mourning a respected educator while confronting a shocking crime. As the legal process moves forward, authorities will continue to piece together the events that led a son to confess to murder, and the family will grapple with the loss of a father, teacher, and coach.
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