Mass Violence
The Las Vegas Shooting: 58 Dead From a Hotel Window
On October 1, 2017, Stephen Paddock killed 58 people at the Route 91 Harvest festival from his Mandalay Bay hotel suite. The FBI investigated for years and found no clear motive.
Mass Violence
On October 1, 2017, Stephen Paddock killed 58 people at the Route 91 Harvest festival from his Mandalay Bay hotel suite. The FBI investigated for years and found no clear motive.
Mass Violence
Between 1983 and 1993, postal workers killed 34 colleagues in a decade of workplace attacks. A federal investigation found the Postal Service's management culture had made it inevitable.
Mass Violence
James Huberty killed 21 people — including 9 children — at a San Diego McDonald's on July 18, 1984. He called a mental health crisis line that morning. They never called back.
Mass Violence
On August 1, 1966, Charles Whitman killed 14 people from the UT Austin tower in 96 minutes — and a brain tumor found at autopsy changed the debate about mass violence forever.
Mass Violence
The 1920 Wall Street bombing killed 38 and was never solved. The 1927 Bath School Disaster killed 36 children. Both predate modern mass violence discourse and complicate every argument about it.
Mass Violence
At noon on September 16, 1920, a horse-drawn wagon exploded at 23 Wall Street and killed 38 people. No one was arrested. The case has never been solved.
Mass Violence
Andrew Kehoe killed 36 children and 2 teachers in Bath Township Michigan on May 18, 1927 — with explosives, no firearms. It remains the deadliest school attack in American history.
Mass Violence
From Columbine to Parkland: the five events and the data that define American school shootings. Each shooting exposed institutional failures that were legible before the attack.
Mass Violence
School shootings have tripled in frequency since 2011. The data on definitions, trends, shooter profiles, and what $5 billion in school security actually accomplished.
Mass Violence
Nikolas Cruz killed 17 at Marjory Stoneman Douglas on February 14, 2018 — 40 days after an FBI tip explicitly named him as a potential school shooter. The tip was never forwarded.
Mass Violence
Adam Lanza killed 20 first-graders and 6 adults at Sandy Hook Elementary in December 2012. The Senate's background check bill failed four months later on a procedural vote.
Mass Violence
On April 16, 2007, Seung-Hui Cho killed 32 people at Virginia Tech in two attacks two hours apart — exposing a fatal gap between mental health records and background check databases.