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.
Efforts to 'harden' school buildings could distract from the need to focus on human behavior and what's known about school shooters.
The 1999 Columbine high school shooting spawned a generation of school shooters who tried to copy it, research shows.
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.
Gun control bills passed recently by the House of Representatives may never become law, but they are still a sign of important change.