In season 3, episode 11, Bloody Matrimony is the love story of Cathy Dingle and Steve Dingle. This does not end well for Cathy Dingle as they end up dead at the hands of Steve Dingle, in the state of Hawaii. The show is described as: Pressure builds in the marriage of Steve and Cathy Dingle until it explode into infidelity, violence and murder.. He stabbed her on their son's birthday multiple times in front of many witnesses. Steve Dingle plead guilty to second-degree murder and was sentenced to life with the possibility of parole. Steve Dingle is eligible for release, though the date is unclear or not specified. You can write to Steve Dingle at: Steve Dingle A6032678 Saguaro Correctional Center 1252 E. Arica Road Eloy, AZ 85131