Terrorist groups adapt to environmental changes to maintain power. This project provides new insights by developing a theory of strategic target selection and using big data analytics and machine learning to test these hypotheses.

The Netherlands Public Prosecution Service has demanded that Gideon van Meijeren, Dutch Member of Parliament in the Forum for Democracy (FvD) party, be handed 200 hours of community service for inciting violence. Marloes van Noorloos, Associate Professor of Criminal Law, discusses when a comment turns…

This article provides a comprehensive analysis of the Islamic State's use of images taken by drones, drawing on a dataset of ISIS propaganda images from October 2016 to December 2018.

Jeanine de Roy van Zuijdewijn, Chelsea Daymon and David Malet, wrote RESOLVE Network Research Report that examines career foreign fighters who have traversed from one insurgency to another.

Terrorism expert Bart Schuurman has been appointed professor. As a researcher and lecturer at ISGA, he has witnessed the terrorist threat evolve and broaden. 'How can we explain these shifts and protect our society against them? That is what I want to focus on more,' he says.

Although domestic violence often affects multiple family members, parents and children are usually treated separately for their traumatic experiences. In collaboration with women's shelter Rosa Manus, forensic partner the Waag, the municipality of Leiden and their colleagues from LUBEC (Leiden University…

New research has confirmed that the Dutch military used systematic, extreme violence against Indonesians. In his book Soldaat in Indonesië (Soldier in Indonesia), to be released at the end of October, historian Gert Oostindie draws the same conclusions using different sources. He presents new findings…

Social resilience and security has never been more important. Over the last 2 years, the COVID-19 pandemic has created a considerable disturbance to our personal and social lives. As a result, the general population reports more stress, loneliness and decreased quality of life. At the same time, there…

Mexico is currently facing an unprecedented social and political crisis, with expanding criminal and political violence, rampant impunity and crumbling political institutions. Next to the daily report of anonymous victims of violence, last summer in Central Mexico at least 15 citizens were executed…

On Friday 1 April 2022, Tom Buitelaar presented his work to the Conflict, Peace and Security thematic area during a research feedback seminar. The title of his work was 'the Agency of Individuals in UN Peace Operations.'

On 1 October 2021, GTGC Conflict, Peace and Security thematic group organized a research feedback session. In this session, Hilde van Meegdenburg's from Leiden University presented a theory chapter for her planned book about the Narrative Basis of Foreign Policy: On the use of Private Military and…

On 10 December 2021, the GTGC Conflict, Peace and Security thematic group organized a research seminar. In this seminar, Tahir Abbas, from the Institute of Security and Global Affairs at the Faculty of Governance and Global Affairs, presented a draft on ERC grant application on the inter-generational…

On 5 November 2021, GTGC Conflict, Peace and Security thematic group organized a research seminar about Migration across the Mediterranean. In this seminar, Eugenio Cusumano from the Institute of History at Leiden University, presented a paper on Migration across the Mediterranean.

Raymond Fagel, university lecturer in General History, wrote a book about his research on Spanish commander Mondragón. He spared Zierikzee during the Eighty Years’ War and is considered to be ‘the good Spaniard’. What led Fagel to research this topic? And how does such research work? We asked him:

Dutch troops, judges and politicians collectively condoned and concealed the systematic use of extreme violence during the Indonesian War of Independence. Historians have now shown how this could happen. ‘It was scandal management rather than prevention,’ says Leiden historian and research leader Gert…

Promotor: Prof.dr. G.R. de Snoo, Prof.dr. G.A. Persoon

Mariëlle Bruning, Professor of Child Law, is elected Member of the Expert Group on Responses to violence against children (CAHENF-VAC), which is established to assist the Ad hoc Committee for the Rights of the Child (CAHENF) of the Council of Europe.

The Institute of Security and Global Affairs (ISGA) focuses on multidisciplinary research and education within the international scientific field of security studies.

Insults have a stronger effect on people from honour cultures because their honour is at stake. Escalations can be prevented if their sense of honour is left intact or if the perpetrator expresses sincere regret Leiden psychologist Said Shafa has found.

A higher level of legal firearm availability does not lead to more violent deaths in Europe but does lead to more female deaths.

The Geneva Conventions and customary international humanitarian law clearly prohibit any attacks on medical units and establishments during armed conflicts. Unfortunately, despite this clear prohibition, medical personnel and medical facilities continue to be the subject of attacks. Doctors now risk…

The symposium “Human-Wildlife conflicst in Africa” was held on the 27th October in the Academie gebouw of Leiden University in honor of the retirement of Prof.dr.ir. Hans H. de Iongh

European countries struggling how to deal with the issue of returning foreign fighters, women and children from the Caliphate.

Through a range of case studies spanning the post-Cold War period in Iraq, Moldova and Serbia, this book studies asymmetric conflicts where warring sides exhibit vast power differentials.

On 28 January 2015, Prof. Ton Liefaard participated in a panel discussion on

The Children’s Rights Monitor provides a thematic overview of the implementation of the UN Convention on the Rights of the Child in the Netherlands.

This study offers a new approach to the history of sites, archaeology, and heritage formation in Asia, at both the local and the trans-regional levels.

Subjects Barbarian, Monstrous, and Wild responds to a contemporary political climate in which historically invested figures of otherness—barbarians, savages, monsters—have become common discursive currency.

The Children’s Rights Monitor provides a thematic overview of the implementation of the UN Convention on the Rights of the Child in the Netherlands.

On Thursday 30 November 2023, the research group Institutions for Conflict Resolution held an event for stakeholders in Utrecht focusing on ‘The government as (ineffective) conflict resolver: legitimacy under pressure?’ The aim of this annual event, each time addressing a new topic within the overarching…

Marieke Liem wrote a contribution for DJIzien, a magazine published by the Dutch Custodial Institutions Agency (Ministry of Justice and Security), about her meetings with long-term prisoners. ‘For my research on long-term prisoners I made numerous visits to Dutch prisons. During these visits, I came…

On 6 May 2022, Alies Jansen presented her work on 'Security Force Assistance in Iraq' to the Conflict, Peace and Security thematic area during a research feedback seminar.

On Friday 4 March 2022, Matthew Hoye presented his work on 'OFAC’s War in Afghanistan: Two Theories on Famine and Sanctions' to the Conflict, Peace and Security thematic area during a research feedback seminar.

Conference

Lecture, Language & the Human Past Lecture Series

On April 14, 2023, the Institutions for Conflict Resolution (COI) research group at Leiden University organized its third annual Lab. The central aim of this meeting was to provide a starting point for the Leiden COI book project.

The International Workshop 'Maritime Conflicts and their Resolution in Atlantic Europe (13th-17th Centuries)' takes place at the University of La Laguna, Tenerife (Spain) from 21 to 22 April 2017.

Violent conflicts all over the world pose a great threat. Not only to the region’s inhabitants, but also to the cultural heritage in the area. This is the subject of the Europe Lecture in The Hague on 13 June.

When do we say violence was used in an incident? The answer may seem obvious at first. But interim results from a study by Jolien van Breen show that Dutch people are labelling events in increasingly broad contexts as violent.

It is one of the most talked-about subjects right now: how do we eradicate sexual harassment and violence? Alumnus Femke Eisma is the spokesperson for Mariëtte Hamer, the government commissioner tasked with tackling this persistent social problem. Eisma studied the Dutch language at Leiden. How is her…

Leiden University kicked off the first PhD Symposium ‘Institutions for Conflict Resolution’ (COI). COI is a nation-wide partnership that serves to implement the Dutch Legal Sector Plan (2019 – 2024). This partnership aims to preserve the authority and legitimacy of government institutions and the judiciary,…

Professor of Social and Organisational Psychology Carsten de Dreu has been awarded an Advanced Grant by the European Research Council. This subsidy of 2.5 million euros will allow De Dreu to carry out research on the causes of conflicts between groups at both macro- and micro-level.