This isn't too surprising given the past disagreements between the Nazis and the Communists. https://www.foxnews.com/us/capitol-police-california-man-knives-machete-dnc-washington
Most people don't think they are the same but instead observe they use similar tactics. But for those who believe Nazi and Democrat are synonyms, maybe Mr. Craighead was just trying to ask a friend/co-worker at the DNC for help sending his mail-in ballot for the California recall vote?
He was only there awaiting a peaceful tour of the Capitol building and was only planning to give the Capitol Police hugs (sarcasm). wrbtrader