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.

In the Criminal Justice research programme, legal experts, criminal law experts and social scientists – many of whom are criminologists – collaborate on various projects. The research programme focuses on the content and form of decisions that are, can and may be taken in the criminal justice chain…

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…

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.

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…

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

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.

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.

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.

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.

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)…

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.

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…

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.

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. The registration window has been closed.

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.

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

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 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.

With textnets it is possible to visualize and analyze textual data in novel ways.

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Promotor: Prof.dr. J.N. Kok, Co-promotor: F.J. Verbeek

We explored how to morphologically classify well-resolved jetted radio-loud active galactic nuclei (RLAGN) in the LOw Frequency Array (LOFAR) Two-metre Sky Survey (LoTSS) using machine learning.

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The Explainatory Data Analysis group develops algorithms and theory that enable domain experts to explain data by finding interpretable patterns and models.

In this publication, Prof. Tahir Abbas, Inés Bolaños Somoano, Joana Cook, Isabelle Frens, Graig R. Klein and Richard McNeil-Willson look into the manifesto that was linked to the Buffalo attack in order to better understand the broader context and specific factors that motivated the perpetrator.

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.

Obtaining imaging data is nowadays only the start of your project. Once the data has been acquired there are many things that still need to be done.

The research of this programme is centered around dynamical systems, functional analysis, and their interplay.

The research of our group is centered around dynamical systems, functional analysis and their interplay.

The Institute of Environmental Sciences has carried out and participates in several projects that deal with the analysis of energy systems.

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.

Ontdek de cursus "Survival Analysis (Advanced Biostatistics)" van Boerhaave Nascholing en leer over verbindend medisch leiderschap. Lees hier meer!

The research of the Applied Mathematics cluster is concerned with such diverse topics as dynamical systems, representation theory, differential equations and pattern recognition.

The main methodological aspects of the use of stepwise LCA estimators under different circumstances.

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.