They are bullies and cowards.
Wear masks, no ID, do not follow the law or the constitution.

Are they Proud Boys, J6ers, gang members?

cop job in a corrupt force. Probably same for ex-prison guards.

Think of who has desireable skills, and also the personality to do this sort of evil work every day. Evidently there are more than a normal person would have thought.

They will be thrilled to be Nazi Gestapo.

capable of this type of behavior hiding behind “just following orders” while reveling in it at the same time. The few that resist will find themselves out of a job in no time flat.
Those agencies are full of authoritarian types.

its going to happen. ICE will try and apprehend the wrong person and they will respond with gunfire