When the wrecker's federal agents grab people off the street, sometimes they do not carry out the constitutional requirements for an arrest. They do not tell their victims under what authority they have grabbed them. This is kidnapping.
The state of Oregon should open criminal cases against them. The president does not have the power to dismiss state charges.
Other federal agents have followed at least a sketch of the rules. This article gives additional info about protests in Portland and the conduct of the local thugs.
I think the protesters that tried to burn the thugs' building are making a strategic mistake, even though the thugs' own conduct may be worse than that.