inquisition
in
Glass, by Ellen Hopkins
(Edited)

intense or harsh questioning or investigation; more specifically, a church court (especially in Roman Catholic history) set up to find and punish heresy

Historically, the Inquisition (capitalized as a proper noun) refers to Roman Catholic Church courts that investigated and punished people accused of heresy, especially during the Spanish Inquisition. It is remembered for harsh questioning, torture, and severe punishments.