I am not supportive of the riots in Portland, but it makes me incredibly uncomfortable to have agents of the federal government a) there at all, when it should

I am not supportive of the riots in Portland, but it makes me incredibly uncomfortable to have agents of the federal government a) there at all, when it should a local and state issue, b) grabbing protesters/rioters off the streets, searching them, intimidating them, and releasing them without charging them with anything.