Appalachian Unsolved: Why the "Zoo Man" case will go unsolved

Knoxville's first serial killer case began in 1992, and will likely always be unsolved. Over several weeks in the summer and early fall of 1992, the killer took four women out to a dead-end road in East Knox County. There, probably after forcing them to have sex, he bound them, strangled them and left their bodies to rot amid trash and scrub. http://bit.ly/2Ott2ZY

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