As Eric Holder Will Inform You.

Along with many more reliable sources;

"An entirely lawful, First Amendment Protected, form of peaceful protest. "

http://www.progressivedisorder.com/EricHolderArmedTakeoverROTC.shtml

Particularly as this protest has clearly prevented the commission of a Federal crime.

https://www.law.cornell.edu/uscode/text/18/1001

Making any attempt to obstruct or otherwise interfere with said protest unconstitutional.

Rendering anyone issuing such an unlawful order liable for immediate arrest.

https://twitter.com/MayorBowser/status/1346902298044325893