(MADISON, Wis.) — Police have arrested a Wisconsin man suspected of killing his wife and blowing up their home to try to cover up the crime. Authorities arrested 59-year-old Steven Pirus of Madison Saturday night. He is jailed on suspicion of first-degree intentional homicide, arson and recklessly endangering safety. Pirus is accused of fatally shooting 50-year-old Lee Anne Pirus.