GP-2026-002 March 2026 https://doi.org/10.5281/zenodo.19005891 Author: Angel Analytical Team Editor: Iliyan Kuzmanov Abstract Show trial psychology presents a problem that neither coercion nor performance adequately resolves: how did accused party members, subjected to no physical torture in many documented cases, produce confessions whose psychological markers were indistinguishable from genuine conviction? At its centre lies manufactured sincerity: the condition in which