The FBI has confirmed that the alleged shooter who killed two students and two teachers and wounded nine others at a Georgia high school Wednesday has been on its radar as a possible threat since last year.

The City of Uvalde has released body cam footage and 911 calls showing how one of the deadliest school shootings in the US unfolded.

The first parents convicted in a U.S. mass school shooting were sentenced to at least 10 years in prison Tuesday as a Michigan judge lamented missed opportunities that could have prevented their teenage son from possessing a gun and killing four students in 2021.

Brave Kansas City Chiefs fans tackled a suspected gunmen today as he attempted to flee cops after a shooting at the Super Bowl parade, new video has revealed.

Several residents in Conroe, Texas, said they were afraid to be outside because the woman had displayed firearms and targeted, harassed and threatened them.

Officers had many opportunities as the 2022 school massacre in Uvalde, Texas, was still unfolding to reassess their flawed response to the shooting that left 19 children and two teachers dead, the US Justice Department concludes in a damning new report.

LEWISTON, Maine (AP) — Sean Hodgson watched and worried as his best friend of nearly two decades unraveled. His former roommate and fellow U.S. Army reservist’s anger and paranoia were mounting, he had access to guns, and he refused to get help. So Hodgson did the hardest thing of his life: He sent a text about Robert Card to their Army supervisor.

Typically after a school shooting or any mass killing incident in the United States, the smoke is not so much as cleared before there are shrill calls from activists and politicians for banning all firearms, or especially assault-style rifles. Within hours, American mainstream media turns such tragedies into an abstract debate over the ability of citizens to keep and bear arms (to quote the second amendment). But Prague Mayor Bohuslav Svoboda had a very different, and more realistic or reasoned response to Thursday's Prague University shooting, which took the lives of 15, including the killer.

The Supreme Court on Thursday declined to put on hold a new Illinois law that would ban high-power semiautomatic weapons like the one used in the mass killing of seven people at a 2022 parade in a Chicago suburb.

Update (1740ET): The Metropolitan Nashville Police Department (MNPD) said Monday that the three images included with the alleged first three pages of the Christian Covenant School shooter’s manifesto are not "crime scene images," the Daily Caller reports.

A heavily armed man killed himself rather than carry out an apparent plan to shoot up a mountaintop amusement park in Colorado, authorities said on Monday.

The Maine National Guard asked local police to check on the reservist who killed 18 people after a soldier became concerned he would “snap and commit a mass shooting,” according to information shared with CNN.

The perpetrator of a mass shooting that left at least 18 people dead has been identified as a trained firearms instructor who spent two weeks in a mental health facility over the summer.

A massive manhunt is underway in Maine after a mass shooting that spanned two locations Wednesday night left at least 22 people dead and 30 wounded, Fox News' Jacqui Heinrich reported, citing a law enforcement source.

Texas schoolchildren as young as four years old are being given Winnie-the-Pooh cartoon books, teaching them to “run, hide, fight” if a gunman enters their building.

Tennessee Gov. Bill Lee has signed off on additional protections for gun and ammunition dealers, manufacturers and sellers against lawsuits within a bill that lawmakers passed after a deadly school shooting

President Joe Biden made it clear that he believes the conservative right bears the responsibility to act and offer solutions on Sunday after America awoke to news of the latest horrific massacre to strike a public place.

A host of gun control measures were announced after a teenager killed eight fellow students and a security guard in a school shooting. Gun owners have been warned to keep their weapons locked up.

The man on the run after killing five people in Texas was deported at least four times, US media report.

(Update: 1115ET): Nashville PD has released another clip from bodycam footage, this time of officers neutralizing female-to-male transgender shooter Audrey Hale, who killed three children and three adults at a Christian school. (Shots fired at 2:00)