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.

Leiden University is a centre of migration research, bringing together historians, economists, lawyers, political scientists and anthropologists. They conduct research on who migrates and why, and the impact on societies. They analyse government policy, the role of media and how societies respond to…

As a student of the Master's in Comparative Criminal Justice you develop academic, theoretical and research insight in all aspects of crime control. Student actively work on current, concrete problems and are challenged to independently find solutions. Students not only learn about the organization…

Online presentations of our regular master’s programmes were held from 11 to 19 May. Would you like to see them again? Check out our full range of programmes below!

Are all murderers calculating psychopaths with an obscene predilection for bloody chainsaws? Yes, if Hollywood is to be believed, but in the real world they are generally everyday people with problematic backgrounds. Professor of Violence and Interventions Marieke Liem therefore calls for the demythologisation…

Some examples of AI-research done at Leiden.

Leiden Law School is at the heart of society.

Sustainability and law is one of Leiden Law School's four research focus areas.

The progression of EU law: Accommodating change and upholding values Coordinator: Dr. Moritz Jesse

In dit unieke uitwisselingsinitiatief volgen studenten van de Faculteit Rechtsgeleerdheid samen met gedetineerde personen een vak, binnen de muren van de gevangenis.

The community is growing rapidly, select a faculty in the left panel to search and connect with members.

'Trust in institutions' is one of Leiden Law School's four research focus areas.

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…

As of 1 April 2025, Professor E.A.L.M.G (Elke) Moons has been appointed professor by special appointment of the chair ‘Crime Statistics’ at Leiden University’s Institute of Criminal Law and Criminology at Leiden Law School.

Researchers at the Institute of Criminal Law and Criminology - Paul Nieuwbeerta, Anouk Bosma, Esther van Ginneken, Hanneke Palmen and Maria Berghuis - have received 800,000 euro from the Dutch Custodial Institutions Agency (DJI) of the Ministry of Security and Justice to investigate living conditions…

Youth crime has plummeted in the Netherlands. Good news, you might think. Yet we need to look critically at existing sanctions, says Professor by Special Appointment André van der Laan in his inaugural lecture. ‘We should evaluate whether our response is just.’

The Dutch PVV party has proposed a legislative amendment that would make helping illegal immigrants a criminal offence. Joanne van der Leun, Professor of Criminology, spoke to NRC newspaper about the criminalisation of illegality: ‘It’s absurd.’

On 1 February 2018 Professor Maartje van der Woude (professor of Law and Society at the Van Vollenhoven Institute for Law, Governance and Society) became Associate Director of the Oxford-based Border Criminologies Network.

On 20 & 21 April 2017 international researchers in the field of law and society and criminology presented their work in Brussels and shared ideas on discretion and decision-making.

Compared to other countries, Dutch prisons have relatively few inmates. But who are behind bars in our prisons? Professor of Criminology and Comparative Penology Miranda Boone: ‘It's not the bad, but often the sad and the mad.’

Leiden University, together with Utrecht University and Radboud University in Nijmegen, has received a research grant from the Covid-19 programme of ZonMw, the Dutch organisation for research into health care.

Dr Yannick van den Brink, Assistant Professor at the Department of Child Law, has been awarded a grant from the Rubicon programme of the Netherlands Organisation for Scientific Research (NWO) to conduct research for a period of eighteen months at the University of Cambridge, Institute of Criminology,…

Er dreigen onmenselijke toestanden als gedetineerden niet twee weken eerder vrijgelaten mogen worden, stelt Miranda Boone, hoogleraar criminologie en vergelijkende penologie, in een opiniestuk in Trouw. ‘Waar de grens naar overbevolkte gevangenissen wordt overschreden, is er geen weg terug.’

What would the Dutch cabinet look like if it consisted of academic experts? De Volkskrant explored this by assembling a hypothetical cabinet. Miranda Boone, Professor of Criminology and Comparative Penology, was appointed as the Minister of Justice and Security.

Staff shortages within the Dutch police force mean that fewer reported crimes are being investigated. Maarten Kunst, Professor of Criminology, spoke to Dutch public broadcaster NOS about the consequences of the staffing problems.

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.’

Thousands of school leavers came to Leiden between 29 March and 1 April to experience what it's like to study at university. Students at the Criminology and Psychology departments share their experiences. 'I know the subject I want to study, but I'm not sure about the university. That's why I'm here…

C-SIDe project involves a broad selection of associates in solving cybersecurity problems. Security of software systems has emerged as a critical need in our interconnected society. Companies developing software products look for Security-by-Design approaches accommodating security into their software…