SHAWANO, Wis. (WTAQ) - A Shawano man has been sentenced to 43 years in prison for killing his ex-wife by burning down her house. 48-year-old Michael Schutt must also spend 16 years under extended supervision once he’s no longer behind bars. He pleaded no contest to reduced charges last October. The fire took place in August of 2008. 49-year-old Dawn Schutt was killed, and the couple’s 18-year-old son escaped with minor injuries. According to prosecutors, Michael Schutt admitted spilling gasoline in the back door and then lighting a match. That was after the couple had an argument.