There is a significant consistency in discussions about recent shootings and that is the mis-understood and inappropriate categorization of weapons used as "ASSAULT RIFLES".
In the majority of cases they are not.
The following goes a long way to educate the meaning of AR....
Modern Sporting Rifle: Introduction • NSSF
(Some will fault the article source....if one doesn't like this one just google "what is an assault rifle"....they all state the same)
It is recognized that becoming aware of the real description it will not be acknowledged by the anti gun agenda, jargon, rhetoric and special interest urban legends.