Nobody knows.

They even refuse to identify themselves while making arrests.

How does a civilian know if they are being lawfully arrested or being abducted by criminals?

Nobody knows. Nobody's saying.

Thanks for posting the question. I've been asking it from the beginning and admit to being in a quandry. I think there is a real possibility these are "volunteers". Brown Shirts. Good ol' boys who want to make a few bucks. Hired hands. But, then again, that would be a pretty easy to expose. The real police (whoever would be relevant: ICE, FBI, US Marshals) would tip their hand. Word would get out.

On the other hand I grew up around cops. Family members. Hung around police stations while they talked shop. By-and-large they don't give fock about the public. Laws and the constitution just get in their way because they already know who's guilty. Give them a chance to wade into somebody's home, business, school, warrant or not, probable cause or not, and bust heads with impunity, about 95% of them would get a hard-on over it. Hopefully, things have moderated since "the old days" but I am always a pessimist.