1.1 Introduction
International crimes are serious violations of international law that are considered offences against the international community as a whole. They include genocide, crimes against humanity, war crimes, and the crime of aggression, all of which attract individual criminal responsibility under international law.1 These crimes are distinguished by their gravity, widespread impact, and their ability to threaten international peace, security, and human dignity.
The concept of international criminal justice developed in response to atrocities committed during armed conflicts, particularly after the Second World War. The Nuremberg and Tokyo Tribunals laid the foundation for holding individuals personally accountable for international crimes regardless of their official position.2
A significant milestone in the evolution of international criminal justice was the adoption of the Rome Statute in 1998, which established the International Criminal Court (ICC) as the first permanent international criminal tribunal.3 The Court officially commenced operations in 2002 with the mandate to investigate and prosecute individuals accused of genocide, crimes against humanity, war crimes, and the crime of aggression where national courts are unwilling or unable to genuinely prosecute such offences.4 The principle of complementarity ensures that the ICC serves as a court of last resort while respecting the sovereignty of national judicial systems.
Since its establishment, the ICC has contributed to the development of international criminal jurisprudence through investigations, prosecutions, and judgments involving serious international crimes. However, the Court has also encountered significant operational challenges, including inadequate cooperation from states, difficulties in enforcing arrest warrants, political influence, prolonged judicial proceedings, and allegations of selective prosecution.5
As a prelude to other parts of this study, this chapter will discuss the background upon which this study was initiated, the statement of problems that led to this study, the aim and objectives of the study. Others are significance of the study, scope of work, research questions, limitation of the study and definition of terms.
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