Just like progressives moving into a Red state, the Mexican nationals moving into California are bringing their culture of disarmed subservience to the State with them.
I mean - they aren't allowed to have guns back home, so why should they have them in their new province of Northwestern Mexifornia?
You are right. The following link is kind of old, but is still dead on today. (Long but worth the read.
Immigration and Usurpation - Real reason why your Senator wants this immigration amnesty bill