Het project heeft plaats gevonden in de QMO groep onder begeleiding van Dr. Michiel de Dood en Dr.ir. Sense Jan van der Molen. De titel van de presentatie is:

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.

On 3 November 2021, Lucas Noyon defended the thesis 'Strafrecht en publieke opinie'. The doctoral research was supervised by Prof. J.H. Crijns and Prof. J.W. de Keijser.

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

A Functional Analysis of Pre-Columbian Shell and Stone Artefacts from Anse à la Gourde and Morel, Guadeloupe, FWI

On 9 November, Roosmarijn van Es defended the thesis 'The mind in the courtroom: on forensic mental health reports in judicial decision-making about guilt and sentencing in the Netherlands. The doctoral research was supervised by Jan de Keijser, Maarten Kunst and Janne van Doorn.

On 30 September 2021 Babette van Hazebroek defended her thesis 'Understanding delinquent development from childhood into early adulthood in early onset offenders'. The doctoral research was supervised by Prof. J.W. de Keijser and Prof. A. Popma (VUMC).

A punishment that fits the crime is the cornerstone of the rechtsstaat or constitutional state. But opinions differ greatly on what constitutes a just and effective punishment. Research by Leiden University provides politicians, legislators, law enforcers and the public with new information and insights…

We aim to engineer streptomycetes to fully exploit their potential for natural product productions, by a rational design and evolution approach.

On Thursday 12 January 2017, Ellen Raaijmakers defended her doctoral thesis ‘The Subjectively Experienced Severity of Imprisonment: Determinants and Consequences’. The defence took place at the Academy Building of Leiden University, Rapenburg 73. The PhD research was supervised by Professor P. Nieuwbeerta…

Rising geopolitical tensions are causing states and national elites to innovate their use of the past for present-day political ends. This is certainly true for the People’s Republic of China, which celebrated its 75th anniversary in 2024 amid mounting superpower rivalry, ideological tensions with the…

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.

The trial of Dutch rapper Ali B is receiving massive media attention. Party due to himself, the trial can be followed by the public. How will this affect the upcoming verdict? Dutch newspaper ‘De Volkskrant’ spoke to legal scholars and experts including Jan de Keijser.

De gerenommeerde Moddermanprijs over de jaren 2022-2023 is toegekend aan Elco Nab.

There are frequent calls from society for heavier prison sentences, but the question is whether longer sentences result in a safer society. Judges are seeing more and more offenders with social and psychological problems and they therefore often prescribe a programme of treatment and monitoring for…

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…

Herewith we are happy to announce the winners of the Meijers PhD-positions 2019.

The Modderman Prize is awarded once every two years to advance research in the field of criminal law science.

Children who come into contact with the police are not destined to become long-term offenders. This appears from research conducted by Babette van Hazebroek, who defends her dissertation on 30 September 2021.

On Thursday 12 January 2017, Ellen Raaijmakers defended her doctoral thesis ‘The Subjectively Experienced Severity of Imprisonment: Determinants and Consequences’. The defence took place at the Academy Building of Leiden University, Rapenburg 73. The PhD research was supervised by Professor P. Nieuwbeerta…

On Thursday 6 and Friday 7 June, criminologists from across the Netherlands and Flanders descended upon the KOG Building for the sixteenth time. Leiden Law School hosted this year’s annual conference to mark the 50th anniversary of the Dutch Association for Criminology (NVC).

From political confessions to life lessons from his own student time. On 14 March, Prime Minister Mark Rutte gave candid answers to questions from Leiden law students.

Lots of employees celebrated special successes in 2023. Here’s a list of all those scholarships, awards and honours.

On Friday, the 24th of April 2015, the Junius Symposium voor Jonge Oudgermanisten, a symposium for junior researchers in the field of language, culture and history of the (early) medieval Germanic tribes, was organized by Peter Alexander Kerkhof (LUCL) and Thijs Porck (LUCAS).

In court, victims of violent crime and sexual offences are permitted to comment on the defendant’s guilt and the sentence to be imposed. But legal experts believe this allows them to influence the judge. Lecturer Joyce Schot has received a Meijers PhD grant to investigate whether the right to speak…

King Willem-Alexander and Queen Máxima attended a meeting at Leiden University on 1 October to prepare for their state visit to China. China experts informed them about such topics as the image that Chinese people have of the Netherlands.

PhD defence

In one in four criminal cases in the Netherlands, the court receives a report on the state of the defendant’s mental health. How is that information used exactly and what are the consequences? Scientific research has been lacking in this area. The PhD research of Roosmarijn van Es is a first step in…

Below are some of the scholarly works published within the context of the Institutions for Conflict Resolution programme.

Many of our staff and students have won an award, received a grant, obtained an academic fellowship for their quality or have been socially engaged due to their specific expertise. See below for an overview per year.

Below thesis archives will be moved shortly (work in progress) to the Leiden Repository. Once this is done, theses submitted by MI students (from 2008 onwards) can be accessed via the Repository and will be removed from this site.