University of Virginia was investigating shooting suspect after weapon report

The school's threat assessment team 'escalated his case for disciplinary action' on Oct. 27 – a little more than 2 weeks before the shooting.

St. Louis school gunman had AR-15-style weapon, 600 rounds of ammo

Orlando Harris, who was killed by police, left behind a hand-written note offering his explanation for the shooting Monday at Central Visual and Performing Arts High School.

Gunman kills 2, wounds 6 others at St. Louis high school

Seven security guards were in the school at the time, each at an entry point of the locked building, and 1 of them notified police.

Prosecutors in Parkland shooting call for probe into juror threat

The motion calls for law enforcement to interview the unnamed juror after she told the state attorney's office about what 'she perceived to be a threat from a fellow juror while in the jury room.'

Parkland school shooter gets life sentence without parole

Nikolas Cruz pleaded guilty a year ago to murdering 14 students and three staff members at Marjory Stoneman Douglas High in 2018.

Six adults wounded in shooting at school in California

Authorities say 6 adults were shot and wounded at a school campus in east Oakland, California.

Rockland man heard voices ‘telling him to do a school shooting’

Indiana teacher who stopped attack says he had to save students

Patriots’ Edelmen alerts police to school shooting threat

Officer's response praised as Maryland school shooting ends quickly