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/
...though as a white man he shares a race and gender with many other perpetrators.
“most domestic mass murderers and serial killers are white males.”
So “many other”. And, you, “most”.
Just pointless idiocy.