After their crimes were read to them, they were hanged in chains, and then burned, with the ashes being hurled into the Arno so that no relics would be recoverable by the crowds of the fanatical reformer's former supporters.
After being found guilty of their crimes, they were hanged and burned, with their ashes thrown into the Arno River to prevent any remnants from being retrieved by the followers of the fanatical reformer.