Knowra Mass shooting Mass shooting An incident in which one or more perpetrators shoot multiple people. Definitions differ over the number of victims required and whether deaths must occur.
Gun violence : Violence involving the use or threat of firearms. Mass shootings are one form of firearm violence, though definitions count incidents differently.
Active shooter : A person actively engaged in killing or attempting to kill people in a populated area. This operational category often guides immediate response, but does not cover every mass shooting.
Columbine High School massacre : A 1999 attack by two students that killed 13 people at Columbine High School in Colorado. Its extensive coverage helped shape public understanding of school shootings.
Gun politics in the United States : Political conflict over firearm rights, regulation, and public policy in the United States. Mass shootings repeatedly become focal points in disputes over firearm laws.
Gun violence prevention : Policies and practices intended to reduce firearm injuries and deaths. Mass-shooting prevention sits within broader efforts to reduce firearm harm.
Homicide : The killing of one person by another, whether criminal or legally justified. Some mass-shooting definitions require multiple deaths; others count people shot even when none die.
Mass murder : The killing of multiple people in a single event, with thresholds varying across definitions. It requires deaths, unlike definitions of mass shooting that count multiple people shot.
Virginia Tech shooting : A 2007 attack at Virginia Tech in which a student killed 32 people before dying by suicide. It remains one of the deadliest school shootings in United States history.
Gun control : Laws and policies intended to regulate firearm access, possession, or use. Proposed restrictions after shootings often include background checks, waiting periods, or limits on weapons.
Gun violence research : Scientific study of firearm access, use, injury, death, and prevention. Reliable comparisons depend on consistent data and stronger evidence about risk factors.
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