Proud boys aren't a paramilitary, you're thinking of the regular cops.

FBI was an actual law enforcement organization, but has been gutted.

Lol

The CIA isn’t a boogie man inside the US.

Lol

I'll give you that I forgot to include the NSA among your secret police apparatus though.

Masked thugs working for the state vanishing people without warrants is sort of the basic definition of secret police.

All of them are masked! Even your cops are masked thugs who kill and disappear people without warrants. They have black sites!