After the brutal slaying of a young couple on a road trip, the victims’ families begin receiving disturbing letters.To learn more about how HLN protects listener privacy, visit <a href="cnn.com/privacy">cnn.com/privacy</a> Learn more about your ad choices. Visit <a href="https://podcastchoices.com/adchoices">podcastchoices.com/adchoices</a>

After the brutal slaying of a young couple on a road trip, the victims’ families begin receiving disturbing letters. To learn more about how HLN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices

After the brutal slaying of a young couple on a road trip, the victims’ families begin receiving disturbing letters.To learn more about how HLN protects listener privacy, visit <a href="cnn.com/privacy" rel="noopener noreferrer">cnn.com/privacy</a> Learn more about your ad choices. Visit <a href="https://podcastchoices.com/adchoices" rel="noopener noreferrer">podcastchoices.com/adchoices</a>

Family Tree

In the aftermath of violent crimes, unexplainable accidents and other strange occurrences, authorities search for answers in what was left behind. Listen as detectives, scientists and other experts sift through the clues, analyze the evidence and piece together data — all in hopes of finding the truth.

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Family Tree

Family Tree

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