“MORE EVIDENCE: Riots at the Capitol Were Pre-Planned by Members of Antifa, Neo-Nazis and Others”
https://www.thecatholicmonitor.com/2021/02/more-evidence-riots-at-capitol-were-pre.html
This article from Feb 2021 mentions the same guy and has his picture with Chansley.
Apparently this has come as a surprise to the FBI who had no knowledge of this person, this picture and doesn't even know how many of their own were at the Capital that day.