Your sources are all full of shit because we know who broke into the Capitol.
The guy who first broke the windows into the Capitol was Dominic Pezzola, a long established member of the Proud Boys, who stole a riot shield and used it to shatter the windows.
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Dominic Pezzola, seen smoking a cigar during the Capitol siege, has been arrested and charged with smashing a window.
abcnews.com
This might sound crazy to you, but did you know that people who aren’t in Antifa wear black?