In the past decades, great strides have been made to ensure that crimes against humanity and state-sponsored organized violence are not committed with impunity. Alongside states, large international organizations such as the United Nations and forums such as the International Criminal Court, 'de facto international prosecutors' have emerged to address these crimes. Acting as investigators and evidence-gathers to identify individuals and officials engaged in serious human rights violations, these 'private' non-state actors, and state legal 'officials' in a foreign court, pursue criminal...