Hellestveit made a presentation  at an international conference in September 2018 to commemorate The UN Genocide Convention at 70: The Politics of Mass Atrocity Prevention  at a session addressing non-state perpetrators of mass-atrocities.  Hellestveit’s paper, entitled  Tribes, Thugs, Terrorists, and the Law: Non-Conventional Armed Violence and the Genocide Convention analyses the particular challenges that arise under international law for holding non-state actors accountable for genocide. A revised version of the paper will be published in a forthcoming book, edited by Joyce A Apsel, Ellen Stensrud and Anton Weiss-Wendt.