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Mass Shootings in U.S. Last Weekend Every 4.4 Hours

There were 11 more mass shootings in the U.S. over the weekend, resulting in 13 deaths and another 49 casualties. Mass shootings are defined as when 4 or more individuals are hit, not including the shooter. Eleven such mass shootings in 48 hours, or one in every 4.4 hours, makes it a busy weekend, even by U.S. standards. In the first 5 months of 2025, the U.S. had a little over one mass shooting per day. Last weekend was at a rate over five times higher.

Salt Lake City made the list this weekend, though it wasn’t for the much-publicized shootings at the “No Kings” event there on Saturday, June 14. “Only” two people were shot there, when a “peacekeeper” for the event shot a man with an AR-15-style rifle next to the demonstration. Arturo Gamboa, 24, dressed in black and wearing a mask, was ordered by two members of the “peacekeeping team” to drop his rifle, but he dashed into the crowd. A “peacekeeper” fired three shots, wounding Gamboa and a bystander, Arthur Folasa Ah Loo, who died that evening at the hospital. The Salt Lake City police stated: “Detectives have developed probable cause that Gamboa acted under circumstances that showed a depraved indifference to human life, knowingly engaged in conduct that created a grave risk of death and ultimately caused the death of an innocent community member.”

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