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Tyrannicide

Killing of a tyrant or unjust ruler

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Through Anno Domini, Crime and Dilemma

The term originally denoted the action of Harmodius and Aristogeiton, who are often called the Tyrannicides, in killing Hipparchus of Athens in 514 BC.

Political theory

Tyrannicide can also be a political theory and, as an allegedly justified form of the crime of murder, a dilemmatic case in the philosophy of law, and as such dates from antiquity. Support for tyrannicide can be found in Plutarch's Lives, Cicero's De Officiis, and Seneca's Hercules Furens. Plato describes a violent tyrant as the opposite of a good and "true king" in the Statesman, and while Aristotle in the Politics sees it as opposed to all other beneficial forms of government, he also described tyrannicide mainly as an act by those wishing to gain personally from the tyrant's death, while those who act without hope of personal gain or to make a name for themselves are rare.

Various Christian philosophers and theologians also wrote about tyrannicide. In late antiquity, they debated whether the Bible justified tyrannicide. Passages such as the Books of the Maccabees, Daniel 7:27, and Acts 5:29 seemed to justify the practice while others such as Romans 13, Exodus 22:27–28, Proverbs 8:15, and 1 Peter 2:13–18 seemed to condemn it. Theologians were also inspired by rumors of Emperor Julian the Apostate, the final pagan Roman Emperor, being killed by a Christian. During the Middle Ages, most theologians were influenced on the subject by Augustine of Hippo's The City of God, which said that Christians should obey secular authority. John of Salisbury was the first medieval Christian scholar to defend tyrannicide.

In Thomas Aquinas's commentary on the Sentences of Peter Lombard, Aquinas gave a defense not only of disobedience to an unjust authority, using as an example Christian martyrs in the Roman Empire, but also of "one who liberates his country by killing a tyrant." The Monarchomachs in particular developed a theory of tyrannicide, with Juan de Mariana describing their views in the 1598 work De rege et regis institutione, in which he wrote, "[B]oth the philosophers and theologians agree, that the prince who seizes the state with force and arms, and with no legal right, no public, civic approval, may be killed by anyone and deprived of his life..."

The Jesuistic casuistry developed a similar theory, criticized by Blaise Pascal in the Provincial Letters. Before them, the scholastic philosopher John of Salisbury also legitimised tyrannicide, under specific conditions, in the Policraticus, circa 1159. His theory was derived from his idea of the state as a political organism in which all the members cooperate actively in the realization of the common utility and justice. He held that when the ruler of this body politic behaves tyrannically, failing to perform his characteristic responsibilities, the other limbs and organs are bound by their duty to the public welfare and God to correct and, ultimately, to slay the tyrant.

In 1408, the theologian Jean Petit used biblical examples to justify tyrannicide following the murder of Louis I, Duke of Orleans by Petit's patron John the Fearless, Duke of Burgundy. Petit's thesis was extensively discussed and eventually anathematized by the church at the Council of Constance. A Shone Treatise of Politike Power, written by John Ponet in 1556, argued that the people are custodians of natural and divine law, and that if governors and kings violated their trust, then they forfeited their power, whether they relinquished their positions voluntarily or whether they had to be removed forcefully. The Tenure of Kings and Magistrates by John Milton in 1649 also described the history of tyrannicide, and a defense of it when appropriate.

Cambridge's David George has also argued that terrorism is a form of tyranny of which tyrannicide is a negation. Abraham Lincoln believed that assassinating a leader is morally justified when a people has suffered under a tyrant for an extended period of time and has exhausted all legal and peaceful means of ouster.

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