Honor Few, Fear None: The Life and Times of a Mongol

When Ruben Cavazos changed his clothes at daybreak, he was no longer a CAT scan technician at the University of Southern California Medical Center. He became the man known—and, in a few special cases, feared—as Doc, international president of the Mongols, the fastest-growing and most closely watched organization of its kind in the United States.

In reality, the Mongols are a tightly knit band of brothers devoted in equal measure to their club, their fellow Mongols, and their freedom. They l...