The 1st District Appellate Court has upheld a 90-year prison sentence for Joseph Trzeciak, a Hammond, Ind., native convicted of killing a Chicago-area man who previously lived with Trzeciak’s wife. The case was on its second stint through the court after an earlier appeal tested the parameters of the state’s marital privilege law before the Illinois Supreme Court. A mostly unified high court ruled this spring that the threats Trzeciak made to his wife were not privileged communications and could be used …