“Most mass murderers, aside from Islamist terrorists, tend to be white.”
Not true at all,
Maybe you mean in the US and You mean spree killers.
And then the above is not even necessarily even true.
Yes, I mean in the US. And yes most domestic mass murderers and serial killers are white males.
https://www.statista.com/statistics/476456/mass-shootings-in-the-us-by-shooter-s-race/