Yes, we should all inspect our blacblocs for the proper deportment.
https://www.wweek.com/news/2017/05/01/black-bloc-protesters-hurl-pepsi-cans-at-police-set-newspaper-boxes-on-fire-in-the-portland-street/
'Everybody' knows you should throw diet pepsi at cops.
It is always a hazard, once your crowd gets large enough to have impact, that half of them will be moles.
https://www.theguardian.com/us-news/2021/jan/27/proud-boys-leader-enrique-tarrio-fbi-informant