An inquiry has found that a mass killing by a British teenager in 2024 could have been prevented if his parents and state agencies had acted on his violence fixation. LONDON (AP) — A mass killing by a British teenager who fatally stabbed three girls and seriously wounded 10 other people at a Taylor Swift-themed dance class in 2024 “could and should have been prevented” if his parents and state agencies had acted a... [4330 chars]