Behavioral Sciences Mental Health Psychological Disorders - Adult Aggression in Adults Psychological Science Social Psychology Criminology & Delinquency Social Sciences Criminology and Criminal Justice Crime and Crime Prevention Criminal Behaviour and Forensic Psychology Violent Crime Law Criminology…

A research into homicide.

The European Homicide Monitor (EHM) offers a standardized framework for countries and regions to compare homicide characteristics, patterns and trends.

Drug-related homicide (DRH) has the potential to act as a valuable indicator of wider drug-related crime. Yet DRH remains a knowledge gap within this broader field of study.

This study assesses nationwide, disaggregated trends in homicide rates over a 25-year period. Using a unique, detailed dataset, spanning a quarter of a century of homicide data allowed Aarten & Liems to assess type-specific homicide trends and the relationship between gender and age within these tre…

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.

It has been argued that the Internet presents numerous new opportunities for crime, including homicide. So far, empirical scholarly research in this domain is rather limited. In order to discover how perpetrators have used the Internet in the homicides they have committed, we conducted an international…

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.

Sexual homicide is a rare phenomenon. Yet, sexual killing is widely reported on in the media. Even though academic research on sexual homicide is conducted abroad, in the Netherlands such research is virtually absent.

Child homicide is a phenomenon that not infrequently leads to shock and societal unrest. However, the precise nature and scope of child homicide in the Netherlands remains unknown.

This article written by Marieke Liem & Alexander Kamprad investigates the relationship between terrorism and interpersonal violence. They conducted cross-national analyses on the effects of terrorism mortality rates on homicide rates. Results showed that terrorism appears to be robustly and positively…

This project’s aim is to critically assess current homicide data sources in order to develop a proposal for long-term EU-level monitoring of DRH.

Homicide followed by the suicide of the perpetrator often leads to shock and incomprehension. It has been suggested that media reporting on such cases could lead to an imitation effect.

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.

The goal of this project is to keep a close watch on the developing nature of homicide in the Dutch Caribbean region.

On 28 February, Marieke Liem, Associate Professor at the Institute of Security and Global Affairs, appeared as a guest on the Dutch NPO Radio 1 Brainwash Podcast to discuss the 'big homicide questions' she is trying to find the answers to.

By Marieke Liem and Frans Koenraadt. Domestic homicide constitutes an extreme type of interpersonal violence. This book offers a much-needed synthesis of the literature on domestic homicide, covering its history; the theories supporting it; its various forms such as filicide, intimate partner homicide,…

In their recent blog, Marieke Liem and Jolien van Breen reflect on the representation of immigrants amongst homicide victims - is there evidence that people from immigrant groups are over-represented amongst homicide victims? And if so, can we discover the reasons why? Find out more through the link…

How many men and women die per year at the hands of others? What are the motives behind these killings? Are there as many homicides today as years ago? How can we explain the rise and fall of homicides over time? And: What is the influence of (early) childhood and adolescence on the likelihood to commit…

The annual homicide rate has decreased considerably since the 1990s. In their hunt for an explanation, researchers Pauline Aarten and Marieke Liem made a surprising discovery: if you divide homicides into categories, you find significant differences in the homicide rate. Publication in the European…

Recent figures from Statistics Netherlands show that the total number of homicides has decreased in 2020. But the number of homicides among young people increased. Many have interpreted this to mean that homicide among teenagers in increasing. Marieke Liem, Professor of Social Resilience and Security,…

Project TARGET aims to improve our understanding of gun violence in Europe and the relationship between gun violence and firearms trafficking.

Marieke Liem, Associate Professor at the Institute of Security and Global Affairs and crime reporter Gerlof Leistra made an analysis of the Murder List 2019. They discussed their findings on Dutch NPO Radio 1 and in an article for Dutch news magazine 'Elsevier Weekblad'.

To assess the impact of illicit firearms trafficking on gun violence, this research looks at the scope, characteristics and contexts of firearm violence, and also the scope and nature of firearms trafficking in Europe since the new millennium. Nils Duquet, Dennis Vanden Auweele and Marieke Liem created…

On Monday 9 September, police officer Wendell C. (Dordrecht) shot and killed his two children and himself. The mother was also shot and died later that night in the hospital. Marieke Liem, Associate Professor at the Institute of Security and Global Affairs (ISGA) spoke with Dutch news website ‘BN DeStem’…

Physical Violence refers to violence related to criminal activities, violence perpetrated in interpersonal conflict such as in the domestic sphere, and socio-political violence. It ranges from mass shootings such as Columbine and Virginia Tech, to nighttime violence, alcohol-related violence, violent…

A mother who is far from the romantic ideal image of the mother as we know is the murderous mother. Genevieve Lhermitte, the mother who killed her 5 children, or the neurosurgeon who killed her 14-year-old daughter whose trial recently ended are examples of shocking stories. It goes against every thought…

This minor will focus on interpersonal violence (i.e. violence taking place between individuals), the most common types including physical violence and sexual violence.

Why are so many people killed on the Caribbean islands? And how can we reduce this number? Scientists aim to find answers to these questions by means of a databank. That could help justice and police on the islands to reduce the number of murders.

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

Firearms and violence in Europe–A systematic review by Katharina Krüsselmann, Pauline Aarten, Marieke Liem

In an interview with Leidraad Alumni Magazine (no. 2, 2019), Marieke Liem states that it is almost impossible to compare between murders. ‘In our society we are inclined to frame murderers as monsters. Sometimes there is a very fine line between perpetrator and victim.’

In Dutch magazine Elsevier, Marieke Liem explains the issues with using the term ‘troubled person‘ in reports on homocide.

The minors 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.

What does it mean to be in a Dutch prison? What is true about the prejudices about being in jail? Criminologist Marieke Liem has released a podcast on Dutch national broadcaster NPO Radio 1: Hotel met tralies.

As part Leiden University's interdisciplinary programme Social Resilience and Security, dr. Marieke Liem has been appointed Professor Security and Interventions effective 1 January 2020.

The European Commission awarded the project proposal INSIGHT, a follow-up project on illegal firearms trafficking and gun violence from Professor Social Resilience and Security Marieke Liem and PhD-researcher Katharina Krüssselmann of the Institute of Security and Global Affairs (ISGA).

Marieke Liem, professor at ISGA, discusses how the number of drug-related murders has not decreased in the last years

On Friday 24 May, Marieke Liem, Associate Professor at the Institute of Security and Global Affairs of Leiden University, appeared on the NPO 3 television programme ‘Vreemdgaan met Filemon’ (Cheating with Filemon). Liem discussed the link between jealousy and murder referencing scientific research into…

The magazine New Scientist selected 25 nominees from candidates proposed by all Dutch and Belgian universities for the New Scientist Science talent 2015 election. One of these nominees is dr. Marieke Liem, who works at the Centre for Terrorism & Counterterrorism.

Research into 25 years of lethal violence in the Netherlands and into language socialisation of deaf families in Africa will receive grants from the Leiden University Fund (LUF).

Every year Leiden University celebrates the lifting of the siege of 1574, with the 3 October University. This year the event will be held on the 4th of October between 11 am and 1 pm. Visit the tent in the city centre of Leiden, to hear three of our scientists talk about their research on the theme…

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…

In the academic year 2022-2023 the Social Resilience and Security interdisciplinary programme will offer a new minor for students who are interested in studying interpersonal violence and who are entering the third year of their Bachelor's degree. The announcement went down well with students: the available…

In the academic year 2021-2022 the Social Resilience and Security interdisciplinary programme will offer two courses for interested students who are entering the third year of their Bachelor's degree. You can sign up for these courses in your elective (minor) space. The courses are available to students…

Firearms and violence in Europe–A systematic review by Katharina Krüsselmann, Pauline Aarten, Marieke Liem