I don&#x27;t even know how to begin to search for sources about &quot;when in the late &#x27;40&#x27;s&#x2F;early &#x27;50s lots of kids took a gun to school and stored it in their locker...&quot;<p>I&#x27;m not questioning your own validity, I&#x27;d just love to know how pervasive this was and where it was happening.<p>I was able to find references about Justice Scalia in the Heller arguments.