I haven’t seen any evidence of the Canadian truckers doing anything egregious or blatantly illega.

However here are example sources I just found from a few Google searches for what I saw from BLM protests in my city (the grandparent comment):

https://clashdaily.com/2020/11/seattle-blm-activist-arrested...

https://en.m.wikipedia.org/wiki/Capitol_Hill_Occupied_Protes...

https://komonews.com/news/local/police-spokesperson-accuses-...

https://www.kitsapsun.com/story/news/2021/06/17/five-years-m...

https://www.the-sun.com/news/910187/security-guard-seattle-p...

https://nypost.com/2020/08/14/seattle-blm-protesters-demand-...

https://www.reddit.com/r/SeattleWA/comments/ix9bwy/black_liv...