In season 4 episode 11, the murder of Robert and Kathryn Swartz by Larry Swartz is shown. This happened in the state of Maryland. The show is titled A Brother's Blood and is described as: Military-style discipline causes a tragedy to unfold in the family of a NASA contractor and his wife who live on the Maryland coast with their three adopted children.. Larry Swartz pleaded guilty to second-degree murder and sentenced to 9 years, which he served. Larry died of a heart attack in 2005, in Florida, where he had lived for several years. He had served his sentence and been released.