In this jaw-dropping true crime episode, learn how a fed-up security guard at an armored car company pulled off the largest heist in U.S. history, making off with an astonishing $18.8 million. Disillusioned with his $7-an-hour job, he masterminded a daring plan that shocked the world. Follow the incredible story behind this audacious crime and the hunt to catch the man who vanished with millions.