Emilie Hunter
Case Matrix Network

The capacity of national justice sector institutions to prosecute the perpetrators of genocide, crimes against humanity and war crimes is one of the greatest challenges to national rule of law initiatives within the context of peace and security. Approximately 60% of States Parties of the International Criminal Court (ICC) are yet to adapt their national legal framework to the cooperation requirements, crimes and modes of liability defined by the ICC Statute. Positive Complementarity is the most important conceptual insight to address this. Emerging from the Office of the Prosecutor, positive complementarity is a broad stakeholder enterprise. The ICC Assembly of States has invited States, international organisations and NGOs to participate in a national capacity development framework. Practical and innovative efforts to address national capacity have directly tackled three of the most prohibitive aspects of core international crime adjudication: complexity, quantity and costTwo such examples include the Legal Tools Database (LTD) the largest online library of documents relevant to the practice of international criminal law, and the Case Matrix Network (CMN), which provides users with technology aided services to assist in the investigation, prosecution and adjudication of core international crimes. The international community has contributed steadfastly to the development of positive complementarity and can continue to further its impact by mainstreaming accountability measures for core international crime into its legal technical assistance and capacity developing programmes, ensuring that activities are driven by thorough analysis of the need of national justice sectors and reflective of cost effective methods of delivery.

Read more on the different mechanisms of strengthening the Rule of Law by measuring local practice here.

This essay is part of the Innovations in the Rule of Law  Report produced by the WJP and the Hiil. The report highlights innovations and insights through a series of concise papers by key experts and organisations in the area of rule of law. For more information, please visit the reports page here.

Emilie Hunter Case Matrix Network
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WJP Chief of Public Sector Partnerships Mark Lewis during his participation in the United Kingdom House of Lords Constitution Committee’s official inquiry into the rule of law

On July 2, 2025, the World Justice Project (WJP) was honored to participate in the United Kingdom House of Lords Constitution Committee’s official inquiry into the rule of law. This invitation followed WJP’s written submission and marked an invaluable opportunity to support evidence-based policymaking in the United Kingdom.

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It is with incredibly heavy hearts that we share the news of the passing of our founder and dear friend, William H. Neukom, known to all of us simply as Bill. Bill was the driving force behind the World Justice Project (WJP), and his absence leaves a profound void in the soul of our organization. His belief in justice was unwavering. His deep humanity and his remarkable gift for bringing people together—regardless of background or origin—shaped everything we do at WJP.

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The Warsaw Principles for the Rule of Law

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Chief Justice Zondo accepts the World Justice Project Rule of Law Award

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