Federal agents in unmarked cars, 'wall of moms': Here's what's happening in Portland

https://www.usatoday.com/story/news/nation/2020/07/20/portland-protests-federal-agents-unmarked-cars-and-walls-moms/5470780002/

The agents come from the U.S. Marshals Special Operations Group and an elite U.S. Customs and Border Protection team based on the U.S.-Mexico border and have been deployed to protect federal property.

Last week, video also surfaced of the federal authorities using unmarked vehicles to detain people, seemingly without an explanation.