A groundbreaking discovery reveals that T-Rex may have been more deadly than we ever imagined. Many times more deadly. In the Gobi Desert, scientists unearth the remains of 68 Tyrannosaurus Rexes, packed closely together. For dino hunter Dr. Phil Currie, it's a find that leads him to a disturbing conclusion: T-Rex lived and hunted in bloodthirsty gangs, capable of taking down anything that crossed their path, and tearing their unlucky prey to shreds in a rapacious frenzy. Dr. Currie journeys to some of the most remote and inhospitable places on the planet in search of evidence that may reveal how just how brutally the tyrant lizard king lorded over their domain, and why their reign of terror lasted so long
