The master's programme Comparative Criminal Justice at Leiden University focuses on criminology, criminal law and their mutual relationship. The programme offers an international comparative perspective, analysing criminal justice systems, legislation and policies in common law and civil law countri…

How should the international community of states respond to genocide, war crimes and crimes against humanity? How can the perpetrators of international crimes be brought to justice? How can international crimes be prevented? How can the international community of states promote international consensus…

The Institute of Criminal Law and Criminology comprises two departments. One focuses on research and teaching in the field of criminal law and procedure and the other on criminology.

Criminal justice raises intricate moral questions concerning the justification of the penal institution, the mode and extent of criminal sanctions enforcement, the content of criminal sanctions (imprisonment, fines, alternative punishments), the nature of the agent holding penal authority, the normative…

In the Criminal Justice research programme, (criminal) law researchers and social scientists – many of whom are criminologists – collaborate on various projects. The research programme focuses on the content and form of decisions that could be, should be and are taken in by actors in the criminal justice…

In this article, the authors explore how international criminal law is moving into a ‘post-critical’ phase and examine its potential for emancipatory reform.

Are you thinking about studying Comparative Criminal Justice? Learn more and watch the videos

One of the recurring points of discussion within the Criminal Justice research programme is the question of what behaviour should or should not fall within the scope of criminal law. This research theme is examined from a legal-dogmatic and social-scientific perspective.

Although sexual abstinence before marriage is no longer the central message in The Netherlands the affective relationship as a criterion for professionals within criminal justice can be seen as a more contemporary version of marriage.

Detecting and combatting crime is becoming increasingly complex. Security is high on the national and international agenda. The master’s programme Crime and Criminal Justice in Leiden provides the skills to face these challenges.

Homicide engenders broad moral concerns in society, and its aftermath can be understood as a barometer for criminal justice policy. Of all homicides committed, however, only some lead to arrest, to prosecution and ultimately to conviction in court.

On 12 mei 2020, Darryl Robinson defended 'Exploring Justice in Extreme Cases: Criminal Law Theory and International Criminal Law'. The doctoral research was supervised by Prof. C. Stahn.

The Advanced Master's specialization International Criminal Law at Leiden University examines international criminal law and international criminal procedure.

Criminal Law and Criminology is is a specialisation of the master’s programme Rechtsgeleerdheid (Law) at the renowned Leiden Law School of Leiden University.

Everyone most obey the law. If you don’t, you will face the police and the courts. The application of national, European and international criminal law would seem to be a matter of following the letter of the law. But the reality is more nuanced. Criminal law scholars and criminologists from very different…

Bringing together the most current research on the relationship between crime and gender in the West between 1600 and 1914, this authoritative volume places female criminality within its everyday context.

Organized by the Grotius Centre for International Legal Studies, this programme enables students and professionals from all over the world to engage in discussions on the prospects and challenges of international criminal justice. Registration is now open!

On 23 February 2022, Cale Davis defended the thesis 'Prosecutorial Discretion in International Criminal Justice'. The doctoral research was supervised by Prof. C. Stahn en Dr. J.C. Powderly.

The Institute of Criminal Law and Criminology is committed to international cooperation and exchange.

The second and final report on the Netherlands‘ crime-terror nexus has analysed all fourteen profiles of individuals arrested in 2015 for offences of terrorism.

Is criminal disenfranchisement compatible with a democratic political order? This article considers this question in light of a recently developed view that criminal disenfranchisement is justified because it expresses our commitment to democratic values.

What Determines Perceptions of Bias toward the International Criminal Court? Evidence from Kenya. In this article, published on the website SAGE Journals in the Journal of Conflict Resolution, the authors Geoff Dancy, Yvonne Marie Dutton, Tessa Alleblas, Eamon Aloyo examine the attitude towards international…

On 9 November, Jonathan Hak defended the thesis 'Non-textual evidence in international criminal prosecutions: discovering the best practices for audiovisual materials in a digital age'. The doctoral research was supervised by Carsten Stahn and Jens Iverson.

On 22 June, Najib Amin defended the thesis 'State-building, lawmaking, and criminal justice in Afghanistan: a case study of the prison system’s legal mandate, and the rehabilitation programmes in Pul-e-charkhi prison'. The doctoral research was supervised by Jan Michiel Otto and Pauline Schuyt.

Miriam Cohen defended her PhD dissertation entitled “Reparations for International Crimes and the development of a Civil Dimension of International Criminal Justice” on 28 June 2017. She wrote her thesis under the supervision of Professor L.J. van den Herik and Professor C. Stahn.

In this policy brief, Dennis Broeders, Els De Busser and Patryk Pawlak discuss attribution of in cyberspace from three different perspectives: criminal law, international law and policy. Published together with EU Cyber Direct.

International organisations face the challenge of balancing conflicting norms. For instance the norms governing traditional UN peacekeeping missions and the the norm of international criminal accountability. Political scientists Tom Buitelaar (Leiden University) and Gisela Hirschmann (Leiden University)…

On 18 September 2019, Huw Llewellyn defended his thesis 'An Institutional Perspective on the United Nations Criminal Tribunals: Governance, Independence and Impartiality'. The doctoral research was supervised by Prof. N.M. Blokker and Prof. L.J. van den Herik.

On 9 January 2019, Marieke Wierda defended her thesis 'The Local Impact of a Global Court: Assessing the Impact of the International Criminal Court in Situation Countries'. The doctoral research was supervised by Prof. dr. C. Stahn en Prof. dr. L.J. van den Herik.

Since its inception, a central preoccupation of and for the International Criminal Court (ICC) has been the nature of its relationship to national jurisdictions. Complementarity—the idea that the Court is intended to supplement, not supplant, national jurisdictions—has been the dominant juridical logic…

Patrick van der Meij has been appointed Professor of Criminal Law Practice at the Institute of Criminal Law and Criminology from 1 January 2024. This is an Endowed Chair established by the Professor A. E. J. Modderman Foundation, which is affiliated with Leiden University in order to boost research…

As from 1 August 2016 Jannemieke Ouwerkerk will be appointed to the position of Full Professor of European Criminal Law at the Institute for Criminal Law and Criminology of Leiden University. It concerns a full-time position. She will deliver her inaugural lecture on 7 April 2017 at 16.00.

On 19 juni 2018 Matthew Gillett defended his doctoral thesis ‘Prosecuting environmental harm before the international criminal court’. His supervisor is prof. dr. L.J. van den Herik.

In the early modern period women played a prominent role in crime. At times they even made up half of all defendants. Female criminality was a typically urban phenomenon. Why do we find so many women before the Dutch criminal courts?

Konstantinos Zoumpoulakis, Research Assistant at the Institute of Criminal Law & Criminology, has written a report on this conference

Denying war crimes and genocide is prohibited by law in the Netherlands. Minimising international crimes can also have far-reaching consequences, warns Marloes van Noorloos, Professor of Criminal Law and Criminal Procedure, in Trouw newspaper.

On 4 November 2022, the Conference ‘Modernisering Wetboek van Strafvordering’ was held at the KOG. The conference was organised by JPAO and the Department of Criminal Law and Procedure of the Institute of Criminal Law and Criminology.

On 27 February 1976, two men wearing motorcycle helmets and carrying loaded guns ring the door of temping agency Cito. A security van has just delivered cash. The suspect later claims in court that he and his friend were just doing a ‘dress rehearsal’ – preparing ahead in other words, but not an actual…

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

The Institute of Criminal Law and Criminology’s ‘Vulnerable Groups and Inequality’ research project draws on a number of disciplines.

Tom Buitelaar is an Assistant Professor in the War, Peace & Justice programme of the Institute of Security and Global Affairs. This paper discusses four important challenges to the involvement of UN peace operations in international criminal justice: its effects on host state relations, peace and justice…

On September 13 and 14 Utrecht University, Leiden University and Maastricht University are organizing a two day conference on Procedural rights in criminal proceedings in the European Union, offering a venue for practitioners and young scholars to exchange experiences and ideas on this subject matter.…

Marloes van Noorloos is appointed Professor of Criminal Law and Criminal Procedure at Leiden University from 1 February 2025.

On 12 September 2019, Judge Chile Eboe-Osuji, President of the International Criminal Court (ICC), delivered a lecture on Customary International Criminal Law and Head of State Immunity to open the academic year for the Advanced LL.M. Programmes in Public International Law & International Dispute Settlement…