of Pánuco, Guzmán cracked down hard on the supporters of Cortés, stripping him and his supporters of property and rights. He conducted numerous expeditions of conquest into the northwestern areas of Mexico, enslaving thousands of Indians and shipping them to the Caribbean colonies. In the resulting power struggles where he also made himself an enemy of important churchmen, Guzmán came out the loser.

In 1537, he was arrested for treason, abuse of power and mistreatment of the indigenous