When, in a spasm of regret or at someone’s persuasion, Montezuma ordered an ambush of the garrison that Cortés had left behind at Vera Cruz, his men killed two Spaniards and sent the head of one of them to the capital as evidence. Asking no parley or explanation, Cortés instantly put the Emperor in chains and forced him to yield the perpetrators whom he burned alive at the palace gates, not forgetting to exact an immense punitive tribute in gold and jewels.