A successful real estate agent, David Nixon of Grapevine, Texas, lived what friends say was a life on the edge. According to his live-in girlfriend, Tracy Frame, he spent money extravagantly, gambled, hired prostitutes and owed the IRS and others large sums of money. In April 2002, his brutally murdered body was discovered in a storm drain in a nearby town. He had been shot in the heart and his remains burned beyond recognition. So, who wanted Nixon dead?

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