What evil lurks in the woods of Walker County? There have been rumors of creatures similar to Bigfoot, and of large cats known as the Sipsey Creature or the Wampus Cat. There could be a new mysterious beast out there near Jasper. A two-hour Animal Planet special airing Friday night at 6 p.m. Central Time will look into the story of a man who has been "diagnosed as 'Patient Zero'" after he claims he was attacked by "something unspeakable" in the woods.