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Three seemingly unrelated deaths proved to be serial murders. The killer had been careful; he used poison which has no taste or odor. Fortunately for investigators, it also had a unique chemical signature.
To learn more about how HLN protects listener privacy, visit cnn.com/privacy
Learn more about your ad choices. Visit podcastchoices.com/adchoices
4.6
31993,199 ratings
Three seemingly unrelated deaths proved to be serial murders. The killer had been careful; he used poison which has no taste or odor. Fortunately for investigators, it also had a unique chemical signature.
To learn more about how HLN protects listener privacy, visit cnn.com/privacy
Learn more about your ad choices. Visit podcastchoices.com/adchoices
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