CASE FILE #0004: Taking a hike in one of America's many national forests might seem like a calm and relaxing endeavor, if you haven't been paying attention to the unfolding mystery of Missing 411. Abductions, disappearances, memory loss, and even death plague those who happen to find themselves written about in one of David Paulides's many book on the subject of Missing 411.

This month Elias, Adam, and Vito learn why and how people are vanishing in National Parks across America and what they can do to stop Bigfoot from abducting them.

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