Are these people being monitored closely? There are a lot of right wing people who have come out of the woodwork in the past 2-3 months that claim they're fight

Are these people being monitored closely? There are a lot of right wing people who have come out of the woodwork in the past 2-3 months that claim they're fighting domestic terrorists but are actually building domestic terrorist cells themselves to kill people who express their 1st amendment rights (claiming BLM is a terrorist organization).