Four years after they raided the Capitol and assaulted police officers, a group of some of the most violent Jan. 6 rioters are now free men.

Oath Keepers founder Stewart Rhodes, one of the most infamous Capitol rioters, was spotted in a congressional office building on Wednesday, just days after being set free by President Trump.

The return of battle-hardened leaders ... will further radicalize and fuel recruitment platforms,” said Jacob Ware, a Council on Foreign Relations research fellow.