A Fond du Lac County man has been sentenced to 90 years in prison for a domestic assault that occurred on June 22, 2025. Hayden L. Daffinson, 34, was found guilty of attempted first-degree intentional homicide, first-degree sexual assault, and mayhem, all with domestic abuse enhancers.
According to the Fond du Lac County District Attorney's Office, Daffinson conducted a premeditated attack on his former partner, striking her 25 times with a hatchet during a sexual assault. The victim had ended their relationship prior to the attack. A multi-agency response was triggered after Daffinson fled the scene, leading to a high-speed pursuit in Germantown that reached over 110 mph before law enforcement used spike strips and PIT maneuvers to stop his vehicle.
Daffinson's sentence includes 60 years of initial confinement and 30 years of extended supervision. The case is a "horrific example of the violence associated with domestic abuse," according to District Attorney Eric J. Toney, who added that anyone experiencing domestic abuse can seek help through various resources, including ASTOP (920-926-535), the Solutions Center (920-923-1700), and the National Domestic Violence Hotline (1-800-799-SAFE or text "START" to 88788).
Background: The incident occurred on June 22, 2025, in Fond du Lac County. Daffinson was arrested after a high-speed pursuit in Germantown. This is not related to another recent case involving a domestic assault in the area.
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