48 Hours

Secrets & Lies on Grapevine Lake (19x5)

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David Nixon was in the prime of his life when he was murdered in 2002. A successful businessman with a son from a previous marriage, Nixon loved living the good life in the town of Grapevine, Texas. After his murder, police charged his live-in girlfriend despite what the defense said was a lack of physical evidence. Who killed David Nixon and what was the motive? Was he murdered for living on the edge? Correspondent Troy Roberts reports.