Just last year, families of those killed in the 2012 Sandy Hook Elementary School massacre in Connecticut settled for $73 million with the company that made the gun used in the killings.

Source: https://www.gjsentinel.com/news/colorado/states-look-to-remove-legal-protections-for-gun-industry/article_b9386986-3747-568e-b31c-44d717389e0f.html

She pointed to the 1999 Columbine High School massacre, where 10 of the 12 people that were killed "perished inside the school library — a room where they believed they could hide safely."

Source: https://theweek.com/mass-shootings/1021036/the-controversial-run-hide-fight-response-in-active-shootings