International law draws lines that do not in all ways match our sense of the most awful behavior.
Includes murder, extermination, enslavement, deportation, and other inhumane acts
Offenses within the ICC’s jurisdiction fall within three categories: genocide, crimes against humanity, and war crimes.
Customary law is one of the principal sources or components of international humanitarian law.
As described by the Nuremberg Tribunal in 1946, they are “the supreme international crime.”