In 1983, Navy seamen Sonny Grotton left base for a long weekend at home. But as he pulled into his driveway, a gunman killed him. Find out how an undercover agent proved the wife’s involvement 15 years late. And in 1993, former state trooper Doug Wright claimed his estranged wife shot and killed herself in their home. Police suspected Doug because he’d come to see Kimberly that night with divorce papers, liquor, and the murder weapon. But they couldn’t prove he did…until eight years later.