Proscription (Latin: proscriptio) is the public identification and official condemnation of enemies of the state. The term originates from Ancient Rome, but has been used to describe similar phenomena in other times and places.
Proscription implies the elimination en masse of political rivals or personal enemies. Proscription was involved, e.g., during the Reign of Terror of the French Revolution and in the political violence in Argentina against Peronists after Perón fled into exile.
Proscription is defined by the Oxford English Dictionary as a "decree of condemnation to death or banishment" and can be used in a political context to refer to state-approved murder or banishment.
Proscription of 82 BC
An early instance of mass proscription took place in 82 BC, when Lucius Cornelius Sulla was appointed dictator rei publicae constituendae ("Dictator for the Reconstitution of the Republic"). Sulla proceeded to have the Senate draw up a list of those he considered enemies of the state and published the list in the Roman Forum. Any man whose name appeared on the list was ipso facto stripped of his citizenship and excluded from all protection under law; reward money was given to any informer who gave information leading to the death of a proscribed man, and any person who killed a proscribed man was entitled to keep part of his estate (the remainder went to the state). No person could inherit money or property from proscribed men, nor could any woman married to a proscribed man remarry after his death. Many victims of proscription were decapitated and their heads were displayed on spears in the Forum.
Sulla used proscription to restore the depleted Roman Treasury (Aerarium), which had been drained by costly civil and foreign wars in the preceding decade, and to eliminate enemies (both real and potential) of his reformed state and constitutions; the plutocratic knights of the Ordo Equester were particularly hard-hit. Giving the procedure a particularly sinister character in the public eye was the fact that many of the proscribed men, escorted from their homes at night by groups of men all named "Lucius Cornelius," never appeared again. (These men, the Sullani, were all Sulla's freedmen.) This gave rise to a general fear of being taken from one's home at night as a consequence of any outwardly seditious behaviour.
Sulla's proscription was bureaucratically overseen, and the names of informers and those who profited from killing proscribed men were entered into the public record. Because Roman law could criminalise acts ex post facto, many informers and profiteers were later prosecuted.
Proscription of 43 BC
Proscription was later revived by the Second Triumvirate in November 43 BC, again to eliminate political enemies and to replenish the Treasury. Some of the proscribed enemies of the state were stripped of their property but protected from death by their relatives in the Triumvirate (e.g., Lucius Julius Caesar and Lepidus' brother). Most were not so lucky; amongst the most prominent men to suffer death were the orator Cicero, his younger brother Quintus Tullius Cicero (one of Julius Caesar's legates) and Marcus Favonius.