John Maloney, a Green Bay, Wis. police officer, was convicted of murdering his estranged wife, Sandy, in 1999, though he has always maintained his innocence. But after Maloney's conviction, the story took an unexpected turn when the prosecutor in his case, Joe Paulus, pled guilty to accepting bribes to fix more than 20 cases. This question now is, did Maloney get a fair trial, and, if not, should he get a new one? Correspondent Susan Spencer reports.