For decades, people across Texas and the Southwest have reported strange hairless creatures attacking livestock — animals many claimed were the legendary Chupacabra. But the real explanation is far stranger, and far more disturbing, than most people realize.

Plus, you'll hear about the night he was charged by a "chupacabra".

In this Dark Outdoors investigation, Chester Moore breaks down the true wildlife science behind “Chupacabra” sightings and shows how coyotes, foxes, raccoons and even bears suffering from severe mange can transform into nightmarish creatures.