Dead by Sunset is a 1995 true crime nonfiction book by author Ann Rule. It is based on the 1986 Oregon case of the murder of Cheryl Keeton, who was found beaten to death inside her van on the Sunset Highway and the later conviction of her estranged husband, Brad Cunningham. The book made The New York Times Best Seller list in 1996. Later in 1995, NBC aired a mini-series titled Dead by Sunset. It was based on the book and starred Annette O'Toole as Keeton and Ken Olin as Cunningham.