Parents gather in a circle to pray at a recreation center where students were reunited with their parents after a shooting at a suburban Denver middle school May 7.
The 1999 Columbine high school shooting spawned a generation of school shooters who tried to copy it, research shows.
Police secure the main entrance to UNC Charlotte after a shooting at the school that left at least two people dead, Tuesday, April 30.
Jason E. Miczek/AP
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.
Students leave Columbine High School late April 16, 2019, in Littleton, Colo., following a lockdown at the school and other Denver area schools.
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 tend to have a death wish, new research shows.
Constantine Pankin from www.shutterstock.com
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.
Teenagers become indentured to drug dealers after owing them money for weed, creating a hierarchy of exploitation with the user at the bottom.
Trump supporter holds banner against Central American-based Mara Salvatrucha (MS-13).
How city and state governments identify and keep records of suspected gang members can be problematic. Good data are essential to addressing violent crime across the US.