90. Fuga nella notte

The masked Death Riders that terrorize the Navajo shepherds are acting on behalf of a pair of gallows-birds, Ben Corliss and Timothy Slade. The ugly mugs do not appreciate meddlers: having discovered a rich emerald deposit on the Hopi reservation, they have enslaved the naïve Native Americans to their crooked goings-on, making them believe that the precious stones are magic and dispensers of prosperity.