George Knapp was joined for the full four hours by David Paulides, a former lawman turned investigative journalist, for a discussion on a series of weird and odd disappearances in U.S. national parks and forests that no one can explain. -snip Acknowledging that animal attacks and accidents do occur in the forest, he contended that these disappearances are different because they leave no clues to suggest such prosaic explanations. Over the course of the evening, he detailed instances where people vanish within minutes, never to be seen again, and where bone fragments of victims were found, as if they'd been...