Thirty states and DC have passed similar legislation, but so far a parent has never been charged with following them in a school shooting.
https://www.washingtonpost.com/politics/safe-storage-gun-laws-ethan-crumbley-parents/2021/12/03/3f938ea0-5394-11ec-8927-c396fa861a71_story.html?utm_source=rss&utm_medium=referral&utm_campaign=wp_politics Many states consider laws to punish parents if children shoot unsecured guns