Family Of Woman Killed In Hwy 212 Shooting Sues Officer, ChaskaThe family of a woman shot and killed by police</a> on Highway 212 last year is suing Chaska Police. The lawsuit says that Dawn Pfister was a hostage and was needlessly shot and killed by Chaska Police. Pfister was in a car driven by her boyfriend, Mathew Serbus, last February. Their car rear ended another vehicle, and they fled the scene. Police began a high-speed chase.