The recent terrorist attacks in Europe are presumably not just acts committed by individuals, but acts facilitated by larger jihadist networks. But how do such networks operate? Understanding their modus operandi can be useful knowledge to counter terrorist threats.

On 18 December 2019, Marianne Lochs defended her thesis 'Contempt of court'. The doctoral research was supervised by Prof. C.P.M. Cleiren and Prof. J.H. Crijns.

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

On 25 November 2020, Sara Arendse defended her thesis 'De uiterlijke verschijningsvorm in het strafrecht'. The doctoral research was supervised by prof. C.P.M. Cleiren and prof. J.M. ten Voorde.

Globalisering en internationalisering zijn onlosmakelijk verbonden met onze samenleving. Universiteiten opereren binnen een internationale context, waarbij het aanbieden van internationale programma's en samenwerking met buitenlandse universiteiten vanzelfsprekend is. De Faculteit der Rechtsgeleerdheid…

Why are so many people killed on the Caribbean islands? And how can we reduce this number? Scientists aim to find answers to these questions by means of a databank. That could help justice and police on the islands to reduce the number of murders.

This one-year, English-taught Master's programme offers insights on general developments as well as the specific challenges in the field of the governance of crisis and security, with in-depth knowledge of sub-fields of crisis and security management.

Since the late 1990s, Leiden University has been located in two cities: Leiden and The Hague. Leiden Law School is also involved in teaching and research at Campus The Hague.

On 22 June, Anneke Koning defended the thesis 'Return to sender: a multi-method study of guardianship against transnational sexual exploitation of children'. The doctoral research was supervised by Joanne van der Leun, Masja van Meeteren and Johan van Wilsem.

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.

The illegal use of hand grenades has generated a lot of public interest over the last few years but very little is known about the nature and extent of these incidents. This research project is trying to fill that gap.

This research examines how punishment and deterrence is articulated and expressed in the management of migration in Mexico.

If you want to continue in Urban Studies, the next step after obtaining your bachelor’s is a master’s degree (MA) at a Dutch or international university. And there may be no better place for your further master’s study than Leiden University!

Deze onderzoeksgroep richt zich op het thema ondermijning en financieel-economische criminaliteit, in het bijzonder de aanpak ervan op een aantal deelterreinen.

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

Labour law is constantly changing. Concurrently, the laws dealing with workers address fundamental issues which are invariably of major significance and value. The research carried out at the Department of Labour Law and Social Security focusses on both the (constant) changes in labour law and social…

This unique, interdisciplinary Master focuses on the interaction and gaps between the “law on the books” and the “law in action.” It combines theories and methods from both law and the social sciences to the practical operation of law. The core curriculum equips students with the conceptual approaches…

Are you interested in current affairs, developments in society and people? Are you highly motivated, willing to be challenged and able to go just a bit further in finding creative solutions to legal issues, then Rechtsgeleerdheid is the master’s programme for you.

In his lecture, Professor Platt discussed some of the main arguments from his latest book entitled “Beyond these Walls: Rethinking Crime and Punishment in the United States”

On 20 March 2019, Tim Dekkers defended his thesis 'Mobility, Control and Technology in Border Areas: Discretion and Decision-making in the Information Age'. The doctoral research was supervised by Prof. dr. J.P. van der Leun en Prof. dr. M.A.H. van der Woude.

What is the role of local authorities and communities in shaping how inter-Schengen borders are understood and dealt with?

Research goal: To support the design of technologies (counter-measures and communication measures) for the prevention, interdiction and mitigation of lone actor extremist events (LOEEs), which are hard to anticipate, yet can be highly damaging to local and national communities and therefore must be…

Criminal Justice as a concept refers to the system of practices and institutions of governments directed at upholding social control, deterring and mitigating crime, or sanctioning those who violate laws with criminal penalties and rehabilitation efforts. While the definition seems rather clear-cut,…

Urban riots, violent responses by police, drug-related assassinations, child abuse, bar fights: Violence is a core theme in today’s modern society.

In 2022, many of our staff and students won fantastic prizes and were awarded important research grants.

Extensive research is being conducted at the Institute of Criminal Law and Criminology on developments in sentencing and punitive measures and how judges and other actors in the criminal justice system reach decisions. Another focus area is how punishments and measures are implemented and the effect…

Leiden Law School has a strong tradition of research in the field of fact-finding and evidence in criminal cases.