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…

Mojan Samadi obtained her PhD in 2020 in Leiden and has since remained at the university as an assistant professor. Her research currently focuses on gender and criminal law, with a key question being how criminal law should address femicide.

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.

The emergence of metalwork deposition during the Bronze Age in Northwest Europe, c. 2300-1500 BC

Situated on the west coast of modern Turkey, the site of Ephesus is one of the largest excavations in Turkey and one of the most visited tourist attractions. Only one tenth of the city has been exposed until now although the Austrian Archaeological Institute in Vienna (ÖAI) has been excavating here…

The main research theme in the group of Dennis Hetterscheid is to understand and mimic bioinorganic multi-electron processes that are relevant to our future energy infrastructure. Reduction of protons generates hydrogen that can be used as a chemical fuel. Alternatively to gaseous hydrogen, the reduction…

Adv. LL.M. Students visit the International Criminal Court

Sex without mutual consent is a criminal offence. The proposed new Dutch sexual offences law aims to better protect victims of sexually transgressive behaviour. But the key issue is this: the rules of evidence have not changed, so will victims actually benefit from the new legislation?

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.

Jasper de Bruin, Guus Besuijen, Hans Siemons & Jeroen van Zoolingen (2012). De romeinse nederzetting bij het tegenwoordige Goedereede heeft waarschijnlijk een belangrijke functie gehad in de overslag en distributie van diverse goederen, waaronder keramiek en voedingsgewassen. De opgraving van deze nederzetting…

Research groups in the Quantum Matter & Optics programme investigate electronic properties of matter and light-matter interactions with emphasis on quantum information.

Since the early 1990s, one can isolate the optical signal of a single molecule and single-molecule spectroscopy has quickly grown into an important research field.

HiQ-LCA aims to deliver an independent, high-quality Life Cycle Assessment database for use in industrial battery LCA case studies

From the Big Bang to superconductivity. Many ground-breaking discoveries have been made in Leiden University’s long history.

Material Crossovers

Artificial photosynthesis aims to produce fuels from solar energy using chemical processes. In semi-artificial photosynthesis, a hybrid approach is taken using both chemical and biotechnology components. We are developing hybrid systems, coupling light-harvesting nanoparticles to redox-enzymes (oxidoreductases)…

Leiden University Library holds two drawings and in the region of a hundred prints by Rembrandt, as well as works by his pupils and the staff of his studio. That explains why this self-portrait etching dating from 1631, his Leiden period, can be seen on the façade of the University Library.

The Laboratory for Material Science, Technology and Culture (MATEC Laboratory) is a research and teaching facility dedicated to the scientific and cultural study of archaeological materials. We bring together a multidisciplinary team working at the intersection of materials science, archaeology, and…

Tackling human trafficking has been a priority on international, national and local policy agendas for some decades now. Yet a number of knowledge gaps stand in the way of how the issue is approached. Interdisciplinary research is essential if we want to expand our knowledge to benefit policy and pr…

On Sunday 31 January 2016, Prof. Carsten Stahn spoke at the IBA Annual Conference on International Criminal Law.

Islamic State may be losing ground rapidly, but Syrian President Assad's position is gaining strength. His torture chambers and the battlefield are scenes of countless criminal acts. Will these crimes ever come to trial, at the International Criminal Court, for example?

Gerrie Lodder has published an article in the Dutch legal periodical Nederlands Juristenblad on the exploitation of labour migrants from the perspective of human rights.

On June 9-10 2016 Dr. E. Devroe of the Institute of Security and Global Affairs (ISGA) was invited as a key-note speaker on ‘Intelligence Led policing and community oriented policing’ at the annual meeting of the ‘Organization for Security and Co-operation in Europe’ (OSCE), Transnational Threats Department,…

The VVI seeks to advance knowledge of the formation and functioning of legal systems in their social contexts, the impact of these systems on society and vice versa, their effectiveness in governance, and their contribution to development.

Twelve researchers of our Law School have been awarded an ILS seed money grant. This grant enables researchers to create space for preparing a grant proposal for NWO, ERC or otherwise.

Research at Leiden Law School means research at the highest level.

The project investigates the changing local context of crime dynamics and the responses by selected international organizations and national governments. It places a major emphasis on security management at the trans-national level by investigating intra-regional security cooperation between Latin America,…

Public International Law is a one-year Master’s specialisation at the internationally acclaimed Leiden Law School at Leiden University. The programme focuses on the legal framework that governs international relations in an increasingly complex global society.

Leiden Law School offers different intensive Master's programmes, that provide tremendous opportunities for talented students.

Juan Masullo J., Assistant Professor at Leiden University’s Institute of Political Science, has been named a 2025 Harry Frank Guggenheim Distinguished Scholar. His research with Nicholas Barnes on public security policy preferences in Rio de Janeiro's favelas has been recognized for its innovative approach…

As a venue, Leiden University is a fitting setting for recognising the outstanding achievements of the award winners and celebrating the inspiration that they bring as role models for encouraging a fairer society by motivating one individual at a time.

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…

The United Nations Office for Disarmament Affairs (UNODA) has published the 2017 issue in their Civil Society and Disarmament series, titled Voluntary, Non-Binding Norms for Responsible State Behaviour in the Use of Information and Communications Technology: A Commentary. The series aims to provide…

On Wednesday 24 January 2018 Margaret Kuiper defended her doctoral thesis ‘Het woord en de daad’ (The word and the deed). Her supervisors are Professor E.R. Muller and Professor T.A.H. Doreleijers. Co-supervisor is Dr J.A. van Wilsem.

Crime is men’s business, isn’t it? Women are responsible for 10 percent of crime in Europe. Yet, if we look at the Dutch Republic in the early modern period, we find that in the towns of Holland women played a much larger role in crime.

On Tuesday 26th September Jessica Hill defended her thesis ‘On the road to adulthood. Delinquency and desistance in Dutch emerging adults’. The supervisor is Professor Arjan Blokland.