The names of the two Sturgeon Bay residents involved a Waushara County crash was released on Thursday. According to the Oshkosh Northwestern, 65-year-old Kevin Butler was killed when a semi-truck ran a stop sign and struck his SUV near the intersection of State Highway 21 and County V in Coloma. His passenger, 63-year-old Carol J. Butler, suffered life-threatening injuries and was airlifted to a hospital in Madison. The semi-truck driver, a 34-year-old Illinois man, was also airlifted to the same hospital with non-life-threatening injuries.