Lol no. You carry the burden of proving that any mass shooting was committed by a leftist.
I’ve named several who were rightists. You’ve named none.
Here’s a direct link to information the El Paso guy, an anti-Hispanic shooter from the far right and one of the worst mass shootings in our country’s history recent or otherwise.
https://en.m.wikipedia.org/wiki/2019_El_Paso_shooting
To prove up your own assertions, cite any source you want.