Sean scours the Yucatan Peninsula in search of the deadly Jaguar that survived the same apocalypse that wiped out the Mayan civilization. Weighing up to 300 pounds, this formidable beast possesses the most powerful killing method of all felines -- the ability to bite through the skull of its prey. Sean treks through the Central American jungle to probe further about how this ferocious creature survived the same climatic catastrophe that completely decimated another civilization