Status: Incarcerated In Oxygen's Snapped, Season 4, episode 12 the story of her parents Alan and Diane Johnson and Sarah Johnson is shown. This happens in the state of Idaho. Oxygen describes this show as: Sarah Johnson shoots her parents Alan and Diane to death in their Idaho home in September 2003 after being grounded for seeing her boyfriend Bruno Santos.. Sarah Johnson is found guilty of the murders of her parents by an Ada County, Idaho, jury on March 16, 2005. She was sentenced to two concurrent life terms plus fifteen years for a firearm enhancement. Her appeal includes: Alan and Diane Johnson were shot and killed in their home on September 2, 2003. Sarah Johnson (Johnson), the Johnsons' sixteen year old daughter, was home at the time of the shooting. Johnson consistently denied any involvement, but gave several different accounts of what she was doing, what she saw, and what she heard prior to and after the murders. However, in all accounts she f...