Unsolved: Gone Too Cold

Life in small town South Texas is simpler. Slower. Quieter. Awful things are not supposed to happen here, but they do. Daughters don't come home, couples are targeted, hardworking fathers are ambushed.

Their cases are some of the more than 250,000 unsolved murders in this country and every year that number goes increases. Victims whose killers go uncaught. Families destroyed. These people come from all walks of life. Though their lives never intersected, they have one thing in common -- their murders are some of the oldest cold cases in their tiny Texas towns.

So when a murder happened more than 30 years ago and their faces have long since faded from the headlines, do their cases gone cold go unsolved forever?
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