The work of the Crimes Against Humanity Initiative recently bore fruit when the United Nations International Law Commission (ILC) voted on July 30, 2013, to add the elaboration of a treaty on “crimes against humanity” to its long-term work program. Established by the United Nations General Assembly in 1948, the ILC is tasked with promoting the progressive development of international law and its codification, and this recent vote is a critical step toward the adoption of an international treaty to punish and prevent crimes against humanity. More