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So some at the White House fence were guilty of insurrection?"
I wouldn't say guilty, but I would say the possibility of being charged with insurrection is possible. If they meet the legal standards contained here:
https://www.law.cornell.edu/uscode/text/18/part-I/chapter-115https://uscode.house.gov/view.xhtml?path=/prelim@title18/part1/chapter115&edi... To me, some of, the White House group is closer to insurrection by my assessment and, some, of the Jan 6th group is closer to sedition.
Insurrection: An act or instance of rising in revolt, rebellion, or resistance against civil authority or an established government.
I would say a lot of Jan 6th was an "instance of rising in revolt" against both the police (civil authority) and an established government. People there to complain were pretty much protesting. People who planned for weeks to get into the Capitol for the purpose of stopping the election process, were closer to revolt against an established government than they were to peacefully voicing their concerns.
Planning constitutes sedition. A narrower application is required.
Assisting or generally being part of any "group" revolting or rising up against the government is insurrection. This is a broader application.
It is far easier to be an insurrectionist than a seditionist.
Seditious Conspiracy:
If two or more persons in any State or Territory, or in any place subject to the jurisdiction of the United States, conspire to overthrow, put down, or to destroy by force the Government of the United States, or to levy war against them, or to oppose by force the authority thereof, or by force to prevent, hinder, or delay the execution of any law of the United States, or by force to seize, take, or possess any property of the United States contrary to the authority thereof, they shall each be fined under this title or imprisoned not more than twenty years, or both. This requires two or more. Therefore individual prosecution may be more difficult for sedition, than insurrection.
The White House group seemed to me, to be less interested in general government proceedings and more interested in only the President. The Jan 6th group had a mix of planning and spontaneity.
The interesting thing, to me, about all this is people hang on the word insurrection but nobody seems to care about sedition. If it were me I'd want to defend myself against insurrection charges since it is so much harder to prove than sedition.