International Criminal Law addresses the most serious violations of global norms. Genocide, crimes against humanity, and war crimes fall within its scope. Individual criminal responsibility applies regardless of official position. Lexin Legal examines the institutions that enforce these norms. The International Criminal Court operates under a treaty-based framework. Hybrid tribunals combine national and international elements. Universal jurisdiction allows national courts to prosecute certain offenses. Complementarity principles prioritize domestic proceedings when genuine. Cooperation obligations support the gathering of evidence. Victim participation features prominently in some international processes. Sentencing reflects the gravity of the underlying crimes. Enforcement of judgments depends on state support. Scholarly analysis critiques both successes and limitations. Continuous development refines substantive and procedural rules. Effective international Criminal Law contributes to global accountability.