This article provides an in‐depth assessment of lone actor terrorists’ attack planning and preparation.

Find out how to apply for Crisis and Security Management at Leiden University by following our step-by step guide.

On 18 June 2019, Peter Kempees defended his thesis 'Hard power and the European Convention on Human Rights'. The doctoral research was supervised by Prof. R.A. Lawson and Prof. H. Duffy.

During the 1980s and early 2000s, authors like Alex Schmid and Andrew Silke demonstrated the paucity of first-hand insights being used to study terrorism and the consequences this had for the reliability of the findings beings presented. But to what extent have these issues endured?

The central question in this study is: ‘What can the Netherlands learn from the way in which these countries have organized law enforcement and the rule of law in their overseas territories?’

A measured yet theoretically innovative exploration of how Islamophobia and radicalisation intersect and reinforce each other.

This project addresses the occurrence of political and ideological biased crimes in light of the recent migration influx in European countries.

This research examines how right-wing extremist parents perceive and discuss their role in the ideological socialisation of their children.

Since 2012, thousands of individuals have traveled from Western countries to join jihadist groups in Syria and Iraq. While much has been written about these individuals, only sparse attention has been paid to the social environment of these jihadist travelers and, more specific, the role of family members…

The central aim is examining gender differences in recorded crime, particularly in relation to interpersonal violence, in early modern Bologna.

The term “Lone Actor” has been applied to a variety of violent individuals who are thought to act out of ideological motivations using terrorist tactics.

Schuurman examines how Russia is escalating its covert operations against European countries.

In 2012, the Dutch National Coordinator for Security and Counterterrorism and the Dutch Probation Service launched a reintegration project for offenders on probation or parole who were (suspected to be) involved in jihadist extremism or terrorism. The initiative's primary goal was to reduce the chance…

The second and final report on the Netherlands‘ crime-terror nexus has analysed all fourteen profiles of individuals arrested in 2015 for offences of terrorism.

This research note argues that the “lone wolf” typology should be fundamentally reconsidered.

Western thought has often dismissed shadows as fictional, but what if fictions reveal original truths?

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’25 years of fatal violence’, a collaboration of dr. Marieke Liem and prof.dr.Lenneke Alink about murder and manslaughter in the Netherlands, has received a research grant by the Leiden University Fund.

This book underscores the interplay between religion and politics (local and global) in the production, escalation, management, mitigation, and resolution of conflict.

In the Master's programme Crisis and Security Management, you will study contemporary security challenges from both local and global points of view, gaining a deep understanding of the ‘wicked problem’ of security and crisis topics in a complex and globalising world.

This study focuses on increasing our understanding of the different pathways converts take during conversion to Islam.

The programmes offered by the Faculty of Governance and Global Affairs in The Hague are closely linked to the defining image of The Hague as a city of international justice, peace and security as well as the centre of Dutch public administration and international governance.

De Tweede Kamer wordt de meest versplinterde ooit, met zeven partijen van drie zetels of minder. Waar verschillende experts waarschuwen voor bestuurlijke chaos, ziet hoogleraar staatsrecht, Wim Voermans, hierin juist de kracht van de Nederlandse democratie, zegt hij in het NRC.

This study investigates how two social and political developments, in the UK and Germany, impacted on the experiences of minorities and the attitudes of majorities vis-à-vis tolerance in those two countries. The results provide a thought-provoking picture of the views of minority and majority groups…

Marieke Liem, Professor Social Resilience and Security at Leiden University, and Katharina Krüsselmann, PhD candidate at Leiden University and Manuel Eisner mapped the flow of homicide cases with the help of a systematic review.

Abbas provides an in-depth analysis of the complex interplay between Zionism, Jewish identity, power dynamics, and the Israeli-Palestinian conflict.

This article presents an in-depth evaluation of a specialized reintegration initiative within the Dutch Probation Service focused on individuals convicted or suspected of involvement in terrorism.

In this article, Tokdemir & Klein examine the strategic actions of governments against domestic terrorist groups and domestic terrorist groups’ reactions to such actions.

This article introduces the concept of Repertoires of Comparison (RoCs) to explain how certain comparisons become deeply embedded in social and political life.

In recent years, the use of primary data in terrorism research has increased. In order to maximise the benefits of this trend, we want to encourage terrorism scholars to implement open science practices more systematically. This article therefore presents different avenues towards open and reproducible…

Why does one person radicalize to involvement in terrorist violence within a group-based context, while another engages in this form of violence alone?

The book addresses the question “How and why do people become involved in European homegrown jihadism?

Homicide engenders broad moral concerns in society, and its aftermath can be understood as a barometer for criminal justice policy. Of all homicides committed, however, only some lead to arrest, to prosecution and ultimately to conviction in court.

Dr. Pauline Aarten tries to find answers of the impact a road traffic accident has on the victims and surviving relatives and how we can improve their position.

In this article, Bart Schuurman and Sarah Louise Carthy conduct further research into the understanding of the causes of terrorism by assessing differences and similarities between left-, right- and jihadist extremists and terrorists. The article draws on the Analysen zum Terrorismus, one of the most…

This article investigates how parenthood serves as a critical turning point for young people in Latin America, influencing their criminal trajectories.

Moscow's Heavy Shadow tells the story of the collapse of the USSR from the perspective of the many millions of Soviet citizens who experienced it as a period of abjection and violence.

A new paper written by Jolien van Breen, Soledad de Lemus, Russell Spears & Toon Kuppens in the British Journal of Social Pscychology examines the impact of the 2008-2012 financial crisis on national identity in Spain.

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