A British inquiry detailed how a mass killing involving a teenager in 2024 could have been averted if warning signs were addressed by parents and authorities.

An inquiry found that a mass killing by a British teenager in 2024 at a Taylor Swift-themed dance class could have been prevented if his parents and state agencies had acted on his violence fixation. <img alt="FILE - Floral tributes are left at the site in Southport, England, Aug. 11, 2024 after three young girls were killed in a knife attack at a Taylor Swift-themed holiday club." src="https://npr.brightspotcdn.com/dims3/default/strip/false/crop/4541x3027+0+0/resize/4541x3027!/?url=http%3A%2F%2...