Most states have some sort of requirement for a minimum number of lockdown drills a year, but there is no set federal guidance.
- Professor of Criminal Justice, Metropolitan State University
Prevention methods like lockdown drills do not account for many scenarios, including the likely case that a school shooter is a former or current student.
Tragedies like the Sept. 28, 2025, shooting at the Church of Jesus Christ of Latter-day Saints chapel in Michigan are part of a longer pattern.
School mass shooters often display warning signs well before they open fire. How can schools and police take preventive action to save lives?
A gunman at Michigan State University shot dead three people before taking his own life. Two criminologists explain how the incident fits a pattern of campus attacks.
Some Americans hoped the Parkland shooting in 2018 would herald a turning point for gun violence in schools. Shootings, and deaths, have continued – and gotten more frequent.
Mass shooters over the age of 60 are rare, but often differ from younger gunmen in motives and actions prior to their attack.
At least six people have been killed in an attack at a Walmart in Chesapeake, Virginia. It happened amid a surge of mass shootings in the US.
On Oct. 24, while a teenage gunman was pleading guilty for a deadly school incident in Michigan, another school shooting was taking place in St. Louis.
L’examen d’une base de données recensant toutes les informations disponibles sur les auteurs des « mass shootings » aux États-Unis est porteur de certains importants enseignements.
De los 13 tiroteos masivos en escuelas que han tenido lugar en Estados Unidos, los tres más mortíferos se produjeron en la última década. Los datos de estos ataques ayudaron a los criminólogos a construir un perfil de los pistoleros.
Of the 13 mass school shootings that have taken place in the US, the three most deadly occurred in the last decade. Data from these attacks helped criminologists build a profile of the gunmen.
A school shooting in a small Texas town was almost as deadly as the worst such event in US history. Such shootings have increased in frequency over the last few years.
When young people plan a mass shooting, especially at a school, they typically reveal their plans in advance. Two scholars weigh in on whether the warning signs are being heeded in the right way.
A suspect apparently motivated by a white supremacist agenda shot dead 10 shoppers. Analysis shows that mass shootings – and those at grocery stores – are on the rise.
With school shootings in 2021 at the highest they’ve ever been, experts on the topic offer advice about what to do about it.
Gangs have changed in the decades since ‘West Side Story’ first came out – they are deadlier, and their demographics are different – as are the means law enforcement use to control them.
School shootings are typically preceded by a series of warning signs. Are educators, police and policymakers paying enough attention?
The pandemic largely gave America a reprieve from school shootings. Two criminologists say gun violence could return to America’s schools worse than before as in-person classes resume.
Lockdown conditions prompted by the COVID pandemic are among the likely reasons for a spike in domestic murder-suicides in 2020.
The 1999 Columbine high school shooting spawned a generation of school shooters who tried to copy it, research shows.
The April 30 shooting at the University of North Carolina at Charlotte isn’t an outlier. Research shows it fits a familiar pattern of campus shootings in terms of time and place.
Media coverage of the Columbine school shooting that took place in 1999 has ended up becoming a playbook for school shooters in the United States and beyond, an analysis of school shootings reveals.
School shooters typically show warning signs long before they become killers, but educators are sometimes ill-equipped to act on what they see, two researchers who are analyzing mass shooters say.
When people don’t trust the government, the media or police, they are less inclined to play by the rules and more likely to lash out violently.
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