PS
The real question is, why are the cops not shutting down cell coverage in those areas?
In addition to Twitter, there are encrypted communication apps. They must know that. If they are following Twitter for intelligence reasons, they have to know there’s other means that they may not have cracked.
Just kill the cell coverage in downtown Portland and then only the police have encrypted comm.
It’s a war. Nobody lets the other side piggy back on their equipment.
Oh there’s many ways they could shut these riots down. Obviously the local authorities aren’t interested in doing so.