How to speak of the agency of the oppressed to harm others in times of atrocity? This article juxtaposes Holocaust literature (Levi, Frankl, Kertesz, Ka-Tzetnik) with Holocaust judging (the Kapo collaborator trials in Israel). It does so didactically to interrogate international criminal law’s interaction with former child soldier Dominic Ongwen, currently awaiting trial at the International Criminal Court.