The state’s top court last week turned away a petition stemming from one of Springfield’s most notorious murder cases. Mark Winger was convicted of killing his wife Donnah and a man named Roger Harrington. Winger had called police to report that he shot Harrington after catching him in their house bludgeoning his wife with a hammer. Police originally believed his story, but he was ultimately convicted in 2002. The story has been featured on a number of national news shows over the years, including “48 …