In the series 'PhD in the Picture', our PhD students tell us all about their research: what are their findings? How did they do it, and how does their research touch upon hot topics in our society today?

This book provides an exploration into the historical transformations of women's interactions with state police in the Western world from 1800 to 1950.

On 9 April 2019, Yudan Tan defended her thesis 'The Rome Statute as Evidence of Customary International Law'. The doctoral research was supervised by Prof. dr. W.A. Schabas.

The sentencing decision of the judge might be the most important decision in the criminal proceedings, not only because of the impact the punishment has on the offender, but also because the sentencing decision is a cornerstone of the legitimacy of the entire criminal justice system.

On 1 February 2018 Nathalie-Sharon Koster defended her doctoral thesis ‘Crime victims and the police’. The doctoral research was supervised by Professor J.P. van der Leun and M.J.J. Kunst.

Still have questions about the Comparative Criminal Justice programme? Please contact us!

On 20 January 2022, Marco Stam defended the thesis 'Essays on Welfare Benefits, Employment, and Crime'. The doctoral research was supervised by Prof. M.G. Knoef.

In this project, we use social network analysis to analyze the behavior of users in online forums and associated marketplaces over time.

The Faculty of Law has five institutes:

On 12 December, Anke van der Hoeven defended the thesis 'Crossing through Europe at full speed - The work situation of international truck drivers: constructions and perceptions'. The doctoral research was supervised by Joanne van der Leun, Yvonne Erkens and Masja van Meeteren.

On 5 September 2019, Jennifer Doekhie defended her thesis 'Dimensions of desistance: A qualitative longitudinal analysis of different dimensions of the desistance process among long-term prisoners in the Netherlands'. The doctoral research was supervised by Prof. P. Nieuwbeerta.

Thousands of Ukrainian children have been transferred to Russia from occupied territories in eastern Ukraine, reports say. Is this, as the government in Kyiv has claimed, an act of genocide? Defined as an intent to destroy a particular group of people, the term genocide was first coined amid the horrors…

Migration and crime are in the spotlight in society. Within the Institute for Criminal Law and Criminology, research in this area has strongly developed in recent years. The concept of Crimmigration is central to this.

In July 2019 Asser Press published the book 'Sweetie 2.0—Using Artificial Intelligence to Fight Webcam Child Sex Tourism’ which was coedited by Simone van der Hof en Bart Schermer from the Center for Law and Digital Technologies, Bert-Jaap Koops from the Tilburg Institute for Law, Technology, and Society…

As a result of production pressure, judicial powers focus more on efficiency and less on making sure they get to the truth. Professor of Criminology Jan de Keijser believes that establishing the truth in court cases is under threat. Inaugural lecture 7 November.

Four men have been sentenced to 25 years in jail for murdering a female relative. Jeroen ten Voorde, Professor of Criminal and Criminal Procedural Law, spoke to ‘Trouw’ newspaper about the court ruling: ‘They're all considered perpetrators under criminal law.’

The Grotius Centre Working Paper Series is an occasional series through which researchers in the Grotius Centre can publish the unedited versions of manuscripts that have been accepted for publication by journals and books.

On 1 October 2019 the Hazelhoff Centre for Financial law hosted its 19th guest lecture starring Paul Sharma, managing director at Alvarez & Marsal and co-head of the European Financial Industry Regulatory Advisory Services practices.

Sentencing is becoming increasingly complex for the courts. Legal scholars and criminologists from Leiden document the process of sentencing in the Netherlands. They use this knowledge to advise legislators and those who implement this legislation on how to make sentencing more consistent and effect…

To be eligible for Comparative Criminal Justice at Leiden University, you must meet the following admission requirements.

This course provides an insider perspective into the work of international criminal courts and tribunals. You will learn about the investigation and prosecution of international crimes in The Hague.

On 21 Januari 2020, Patrick van Berlo defended his thesis 'Human Rights Elephants in an Era of Globalisation: Commodification, Crimmigration, and Human Rights in Confinement'. The doctoral research was supervised by Prof. J.P. van der Leun and Prof. M.A.H. van der Woude.

Mensen jarenlang opsluiten in een gevangenis werkt niet en kost de samenleving veel geld, zeggen experts. Hoogleraar Criminologie en Vergelijkende Penologie Miranda Boone stelt tegenover NEMO Kennislink dat het anders moet: ‘Het strafrecht zoals we het nu inzetten, werkt niet.’

Judicial officers have some leeway in how they act. In most cases that's fine, but it can also lead to abuses, such as ethnic profiling. It is easy to forget that these are not isolated decisions, but are also part of a framework of formal policies. Professor Maartje van der Woude calls for more comprehensive…

This pioneering project will answer this question by examining migrants through the eyes of the courts between 1600 and 1900. It aims to reveal patterns of continuity and change in: 1. Treatment of migrants by criminal courts; 2. Violence and conflicts between migrants and native born.

Recent welfare reforms in the Netherlands show a trend of reducing welfare accessibility and increasing obligations. Although the effects thereof on directly-targeted economic outcomes, such as welfare dependency and labor participation, are often assessed, potential spillovers to other economic and…

eLaw is a research institute of interdisciplinary scholars who explore issues at the intersection of law, technology and society.

The Netherlands will comply with the arrest warrant issued by the International Criminal Court (ICC) against Netanyahu and proceed to arrest him as soon as he enters Dutch territory. Jens Iverson,Assistant Professor of Public International Law, discusses the issue in Dutch daily newspaper ‘Trouw’.

The Institute of Criminal Law and Criminology conducts extensive research on imprisonment. Sending a person to prison is the most severe form of punishment that can be applied in the criminal justice systems of European countries. In most countries, the number of prisoners has risen in recent decades.…

The financial sector is an appealing target for hackers. For that reason, lawmakers and regulators are going to great lengths to make the sector more resilient to cyber attacks. One recent measure was the introduction of the Digital Operational Resilience Act (DORA). This new EU regulation is extremely…

On 27 May 2021, Hirad Abtahi defended his thesis 'Adjudicating Attacks Targeting Culture'. The doctoral research was supervised by Prof.dr. C. Stahn.

How do commissions of inquiry operating in conflict situations utilize international law, and how can inquiry findings be utilized by other bodies belonging to the international legal community?

On 24 November 2015, Prof. Carsten Stahn participated as external expert in a special plenary session of the Assembly of States Parties on the efficiency and effectiveness of Court proceedings, chaired by the co-chairs of the Study Group on Governance of the Assembly.

On 3 December 2019, Hanna Bosdriesz defended her thesis 'Furthering the fight against impunity in Latin America: the contributions of the Inter-American Court of Human Rights to domestic accountability processes'. The doctoral research was supervised by Prof. L.J. van den Herik and Prof. M.A.H. van…

The Duke-Leiden Institute in Global and Transnational Law is a one-month programme providing a strong foundation for those interested in international and comparative law as well as for those planning to study law in the United States. The programme will focus on subjects such as trade agreements, human…

Criminology and Security Policy is a challenging Dutch-taught master's programme at the renowned Leiden Law School of Leiden University. This programme – with its multidisciplinary perspective - focuses on the security issues in society and the development of effective and legitimate policy in order…

In 2023, many of our students and staff won great prizes and secured important research grants.

The chance that Israeli Prime Minister Benjamin Netanyahu will actually be brought to trial seems slim. And yet the arrest warrant issued against Netanyahu will have a significant impact and comes as a hard blow for Israel. Larissa van den Herik, Professor of Public International Law, discusses the…

How can we deal with today’s global challenges in sustainable, peaceful, fair, democratic, and effective ways? How can global events such as geopolitical shifts, ecological changes, technological innovations, and pandemics be better governed? Addressing these complex questions requires innovative, multidisciplinary…

This article argues that, given the current pervasive uncertainty about the reliability of jury deliberation, we ought to treat it with epistemic humility.

You often hear that the public find court sentences too short. Professor Jan de Keijser emphasises that the gap is reduced if the public is given more information about a case and the sentence.

Researchers from five different discplines work together in this interdisciplinary initiative.

To what extent are there differences between countries in and outside the European Union and the Schengen area in the level of crimmigration, the merger between migration control and crime control, and to what extent can these differences be explained by the way in which state and non-state actors in…

Leiden Law School offers a broad range of study programmes.