An FBI keyword alert to Argentine prosecutors in August led to a September 11 raid on a 15-year-old in Quilmes who had queried ChatGPT for school attack logistics; tactical gear was seized but no weapons were found, and the case marks the first documented instance of AI chatbot monitoring producing a cross-border law enforcement search.

A sword-wielding 18-year-old turned the first day of school into a crime scene at a Swedish secondary school in Fagersta, killing one and seriously injuring two before police shot and arrested him; motive remains unestablished and no ideological claim had been filed as of this report.

A Philippine ninth grader killed one classmate and wounded two others in a body-cam Facebook livestream school attack on August 18, the country's second fatal school shooting in two months, as US schools reopen.

Madera Unified placed special education staff member Kenisha Daily on administrative leave and obtained a temporary restraining order after she posted videos of herself loading firearms and calling for formation of an armed Black militia targeting white people, prompting a formal Madera Police Department investigation and enhanced security at Lincoln Elementary School.

An Arkansas teenager was arrested August 12 after investigators found a written plan to conduct a mass shooting at his school at the start of the new academic year, one of several pre-school-year plots disrupted by law enforcement nationwide this summer.

Seattle Police interrupted a potential mass shooting after recovering a buried shotgun and detaining a UW Tacoma student served with an ERPO following mass-shooter content on Discord referencing Elliot Rodger.