Who was Pierre Cauchon?

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Painting by Jean-Auguste-Dominique Ingres showing Joan of Arc in armor holding a banner at an altar during the coronation of Charles VII in Reims Cathedral, with figures praying behind her. — St. Joan of Arc *Joan of Arc at the Coronation of Charles VII in Reims Cathedral*, by Jean-Auguste-Dominique Ingres, 1854; in the Louvre, Paris.

Pierre Cauchon (1371–1442) was a French bishop of Beauvais who is primarily remembered for presiding over the trial of St. Joan of Arc.1

A supporter of the Burgundian party and a counselor to Henry VI of England, Cauchon was a key figure in the Anglo-Burgundian alliance during the Hundred Years' War. When Joan of Arc was captured within his diocese in 1430, he oversaw her legal proceedings. While he utilized inquisitorial procedure to mask the political nature of the trial, he is held formally responsible for her condemnation and execution as a heretic.1

It is a fundamental ethical principle that legal processes must be conducted with integrity and impartiality; using the guise of religious law to achieve political ends, as Cauchon did, represents a profound failure of justice and a violation of the duty to protect the innocent.1