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In 1995, a prostitute named Pamela Shelley was shot in the back eight times and left in a field. With minimal evidence, the case goes cold. But seven years later, new technology may provide the means for investigators to figure out who murdered Pamela Shelley.\n \nSponsors:\n\nProgressive: Multitask right now. Quote your car insurance at Progressive.com to join the over 28 million drivers who trust Progressive.