This might just be the usual conflation between what is generally known as anarchism -- the idea that the State is undesirable or harmful -- and the specific jargon used by individual organizations, either on the left or the right.
The quote "give the country back to the people" came up in the trial; I'll bet that's the germ of it.
Everything I've seen is that the term was used by the prosecutor, so take that for what it's worth.
I also only noticed today that the military was pursuing charges against the four for a while, but has dropped them.
/jordan