---white, male, American citizen, ex-US Marine, trained with firearms, with legally purchased handgun.
^All those things above are usually used by the Right to JUSTIFY owning a gun and proper gun ownership.
This guy murdered 12 people, including a cop with his.
Is it true he had an extended magazine? Those are illegal here. Glocks come with 18 round magazine but here in California we are only allowed a 7 round. So they come with 7 new.