Nieke Verschaeren is an external PhD candidate at the Institute of Criminal Law and Criminology.

Elise Filius is a PhD Candidate at the Institute of Criminal Law and Criminology. More information about her you can find on the Dutch website.

Hanne Klapwijk is working as a PhD candidate at the Institute of Criminal Law & Criminology at Leiden University.

Michiel van der Wolf is Professor of Forensic Psychiatry at the Institute of Criminal Law and Criminology.

Arjan Blokland is appointed as professor of Criminology & Criminal justice at the Institute of Criminal Law and Criminology.

Paul Nieuwbeerta is full Professor of Criminology at the Institute of Criminal Law and Criminology of Leiden University since 2009.

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

Sjoerd Lopik is a research fellow at the Institute for Criminal Law & Criminology. He has been affiliated with Leiden University since 2020, where he obtained his PhD in 2025 with a dissertation on the role of criminal law within the legal response to climate change. His research primarily focuses on…

From February 2021 until August 2025, Lisa Ansems was a postdoctoral researcher and assistant professor at the Institute for Criminal Law and Criminology. She is currently affiliated with the institute as a guest researcher.

Rosa Koenraadt is assistant professor of criminology at the Institute of Criminal Law and Criminology.

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

Marloes van Noorloos is a Professor of Criminal Law and Criminal Procedure at the Institute of Criminal Law and Criminology.

Many problems in criminal law can be predicted by the academic world and using knowledge from criminal law practice, says criminal lawyer Professor Patrick van der Meij.

Should criminal law have a greater role in protecting this democracy? In his inaugural lecture, Professor Jeroen ten Voorde urges caution.

Hilde Wermink is Associate Professor of Criminology at the Institute of Criminal Law and Criminology at Leiden University. She is also the PhD dean of Leiden Law School.

Mojan Samadi is an Assistant Professor at the Institute of Criminal Law and Criminology.

Dutch online news platform Mr. Online interviewed external PhD student Sjoerd Lopik about the development of environmental criminal law in the Netherlands and about his experiences combining his job as a researcher with his work in the legal practice.

On 1 June 2022, Maarten Kunst, Professor of Criminology at Leiden Law School, gave a lecture on his research into the effects of the right to be heard on both the defendant and the victim. Victims have certain rights in the Dutch criminal process, including the right to be heard in criminal proceedings.…

Governments are increasingly cracking down on tech companies like X, Telegram and Clearview that flout the law, with a fine, ban or criminal prosecution. In practice, however, this has little effect. A tougher stance is needed, argues Bart Custers, Professor of Law and Data Science at eLaw – Center…

Receiving welfare benefits has a major impact on criminal behaviour. This has been demonstrated by Marco Stam, who defended his thesis on 20 January 2022.

Tom Buitelaar is an Assistant Professor in the War, Peace & Justice program of the Institute of Security and Global Affairs at Leiden University.

Cecily Rose is an associate professor of public international law in the Grotius Centre for International Legal Studies. She joined the faculty as an assistant professor in September 2013.

The annual homicide rate has decreased considerably since the 1990s. In their hunt for an explanation, researchers Pauline Aarten and Marieke Liem made a surprising discovery: if you divide homicides into categories, you find significant differences in the homicide rate. Publication in the European…

The Public Prosecutor's Office (OM) and the Netherlands Forensic Institute (NFI) want to use private DNA databases for genealogical research in criminal investigations. The method could be used in serious criminal cases that have stalled and it is already being used in investigations abroad. Whether…

Since 1 November 2023, André van der Laan has been appointed professor by special appointment of Juvenile and Adolescent Crime at the Child and Health Law department of Leiden Law School. The chair was established on behalf of the Leiden University Fund and is funded by the Research and Data Centre…

Eva Schmidt is PhD researcher at the Department of Child Law, Institute for Private Law since the 1st of September 2018.

Patrick van der Meij (1978) is professor by special appointment of Criminal Law Practice and a partner and criminal defence lawyer at law firm Cleerdin & Hamer Advocaten in Amsterdam. He studied Dutch law from 1996 to 2001 at Leiden University specialising in criminal and criminal procedural law.

On 22 November, Tom Buitelaar, Assistant Professor at the Institute of Security and Global Affairs, presents his new book ‘Assisting International Justice’. Five questions to Buitelaar about the book and the book presentation.

In October 2024, Jannemieke Ouwerkerk, Professor of European Criminal Law, was appointed to the European Commission’s (EC) Expert Group on EU Criminal Policy. This independent advisory group focuses on improving coherence and consistency within EU criminal law policy.