In July 1976, the small town of Chowchilla, California was rocked by the largest mass kidnapping in US history. A school bus carrying 26 students, along with its driver, was ambushed by a group of armed men. They were taken to a remote rock quarry and stripped down to their underwear. Each one was then ordered down a ladder into a container truck that had been buried 15 feet underground. They had no idea where they were, who had taken them, or why they had just been buried alive.

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