Cheryl Keeton (October 27, 1949 – September 21, 1986) was a Portland, Oregon lawyer whose long bitter divorce from her husband, Brad Cunningham, and the famous trial that followed her 1986 murder inspired true crime writer, Ann Rule, to write her 1995 best seller, Dead By Sunset.
Dead by Sunset (1995) was a made for television movie that aired on the television network Lifetime. It was based on Anne Rule's true crime best selling novel.