This guy is describing/quoting what appears to be the manifesto. Yes, white supremacist, anti-immigrant.

Assuming it’s real, of course.

I have received an alleged manifesto written by the shooter, posted on 8chan this morning.

— Scott Stedman (@ScottMStedman) August 3, 2019

But hey - let’s make sure all 2 dozen Antifa assholes in Portland are officially a Terrorist Organization.