Updated: Top 10 Worst Mass Shootings In United States (May 2022)

  • Not one of the Top 10 mass gun shootings is attributable to any kind of “Leftist.” They are overwhelmingly mentally disturbed white men. Often the mentally disturbed part includes elements of extreme conservatism including racism, sexism, obsession with guns, and anti-government conspiracy theories.
  • The Uvalde shooting added in this article was just ten days after Payton Gendron killed 10 in a long planned mass shooting at a grocery store in Buffalo New York. Gendron published a white supremacist, replacement theory driven, manifesto that stated he too was inspired by the Christchurch shooter.
  • Another example of such a anti-government conspiracy theory conservative thinking terrorist was Oklahoma City bomber, and white male, former Army Gulf War vet, registered Republican and NRA member Timothy McVeigh who killed 168 people with a fertilizer bomb. He was not included on this list because it was not a mass shooting. His motive was vengeance against the Clinton Administration for the Waco Branch Davidian siege.
  • Another example of racist alt-right type white male mass shooting terrorist would be Dylan Roof who in June 2017 entered a Charleston Church and targeted blacks, killing 9.
  • Only one of the top 10 involve a Muslim, though he was motivated by anti-gay sentiments, such as those reflected in Paul Gosar’s tweet above.
  • Speaking of mental illness and guns, in February 2017 President Trump signed legislation rolling back an Obama era regulation making it more difficult for the mentally ill to buy guns.
  • Did you notice what else was not on the list? Columbine, which shocked the nation in 1999, is not there because it no longer makes the Top 10. With 12 killed it slips to #14 now.
  • Every instance in the Top 10 all involved only one shooter. None even involved any other accomplices.
  • Four of the Top 10 occurred in Texas, known for its pro-gun policies.
  • Seven of the Top 10 worst mass shootings have been in just the last decade (see chart below):

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