His ferocious devotion to the English made an impartial trial unachievable. Cauchon's course of action was renounced by the church in the rehabilitation trial of Joan (1456).
Cauchon brought Joan to a trial of the Inquisition, ostensibly for matters concerning her faith.
Cauchon had offered her an adviser from among those present, but Joan refused, recognizing that all present were allies of the English.
This PierreCauchon, formerly rector of the University of Paris, summoned support for the trial from Burgundian allies among the clergy, including faculty members of the university.