Overview
- A pursuit that began in Jefferson County entered Waukesha County around 9 a.m., ending near Highway 67 north of Highway 18 in the Village of Summit.
- Relatives identified the man as 41-year-old Nathan Poulakos.
- Deputies say the driver exited a disabled vehicle and displayed a handgun, and two Waukesha County deputies fired, fatally wounding him.
- A handgun was recovered at the scene, and no deputies were injured.
- Court records show Poulakos had active warrants in Jefferson County in theft by contractor cases filed since March 2025 and again in early 2026.