His crew converted a vessel into a fireship, meaning they equipped it with combustibles or explosives.

Captain Morgan Glass - Etsy UK

While attempting to assess what they were dealing with, Bradley and company were met with whizzing cannonballs from the fort. As recounted in Chronological History of the West Indies, Morgan had entered the city unimpeded and rooted out 250 frightened, hiding residents, whereupon he tortured them into divulging where their loot was. It's unclear if the method is more effective than the Allis maneuver, but it certainly seems safer for the doctor.

Now Panama City would have to learn the hard way that hell hath no fury like an insulted Captain Morgan.

Captain Morgan Glasses - Etsy UK

To conceal the ploy, they fitted the ship with objects meant to resemble guns and disguised pieces of wood as people.In an alternative account summarized by the University of Georgia's Classic Journal, he went to the Caribbean voluntarily to help Oliver Cromwell conquer Spanish colonies. However, if surgeon Alexandre Exquemelin is to be believed, after the sacking of Panama City, Captain Morgan left his men in a lurch and made off with "the greatest and best part of the spoil, which had been concealed from them in the dividend.