18 In addition to these there are the methods by which minds are upset - by every device, in private and in public, by traps, deceits, grave fear, by so-called forced confessions, by custody in a place where citizens are forcibly "reeducated," and those "Peoples' Courts" to which even venerable bishops are ignominiously dragged for trial.
Source: Ad Apostolorum Principis (Vatican.va)