- They were jacked — didn’t really look like vegan hipster anarchists. Big muscles.
- They willingly crossed the police line. Anarchists don’t go running to the cops for protection when an old man with a beard is yelling at them. They wanted to protect their identities.
- Another big giveaway was the fact they had the same boots on as the cops.
- A little while later, the police admitted they were thier officers.
More at: Agent provocateur