https://www.washingtonpost.com/nation/2020/07/17/portland-protests-federal-arrests/
https://www.thenation.com/article/politics/trump-secret-police-portland/
https://twitter.com/SenJeffMerkley/status/1284279762140180480
Seems to me they're trying to see just how much you can get away with.
Posters like this would let them get away with a lot, apparently!