Seems like this came from President Adams Alien and Sedition Acts.
SUBVERSIVE ACTIVITIES REGISTRATION ACT
Can anyone - law professors? - explain this law and let us now just exactly how and/or if our neighbors to the South have lost their collective minds?
I did find this but it isn't very satisfying - Planning A Revolution In South Carolina? Let The Government Know First, Please.
Standoff ends at Los Angeles Trader Joe's
1 hour ago