A Description of the methods adopted by the Duke Valentino when murdering Vitellozzo Vitelli, Oliverotto da Fermo, the Signor Pagolo, and the Duke di Gravina Orsini[1] is a work by Italian Renaissance political scientist and historian Niccolò Machiavelli.
The work describes the methods used by Cesare Borgia to capture and murder members of the Orsini family, a princely family of Renaissance Rome.
Both Vitellozzo Vitelli and Oliverotto da Fermo were strangled on the night of their capture on 31 December 1502.
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