I thought that the agents were to protect any or all Federal property in Chicago as in Portland?
This might be part of Operation Legend that Barr put in place a couple of weeks ago:
Attorney General William P. Barr Announces Launch of Operation Legend
It’s always been the problem of HS. They don’t have a defined mission. Other than enforce the patriot act, which is wide open. So they can pretty much do whatever. Arrest whoever. Call them a terrorist. And hold them forever without charges. Some of us were pointing out this problem way back in 2001. It was bound to happen eventually.