While high-ranking federal and local officials proclaimed Tuesday's arrests as removing "the head of the hydra," a closer look at court and law enforcement records indicate that Nania is more of a mid-level manager than chief executive. The son of Sicilian immigrants, Nania is alleged to be an associate of the Mexican Mafia, an organization of about 140 men who hold sway over Latino gang members behind prison walls and in the streets of Southern California.