Autopsy Shows Woman Drowned After Car Plunged Into Mississippi River

(La Crosse, WI) -- An autopsy shows 21-year-old Ellen Ahmann of Winona drowned when her car fell through thin ice on the Mississippi River in La Crosse, Wisconsin. The woman went down an embankment and continued to drive on the river until the vehicle went into the water on New Year's Eve. Her body was recovered the next day.