Balancing the Legitimate Interests of States

This study explores the principles of domestic criminal jurisdiction under international law, focusing on universal jurisdiction. It analyzes the contentious nature of universal jurisdiction, particularly its application by international judicial organs post-human rights and international criminal law developments. The research scrutinizes the Rome Statute's provisions, debating whether it implicitly or explicitly endorses universal jurisdiction over non-party state nationals. It also examines the complementarity principle within the Statute, arguing that it safeguards state interests by prioritizing national jurisdiction. The findings affirm universal jurisdiction's recognition under international law and its potential activation under the Rome Statute, while complementarity balances states' interests against the jurisdiction of international courts.