Great advice. Important conversation.

Stating the obvious, I hope, but advice should vary by jurisdiction so here's the Canadian flavour of asserting rights around arrest, talking, search, etc.:

https://bccla.org/our_work/the-arrest-handbook-a-guide-to-yo...

Wherever you live, please consider supporting your national or local Civil Liberties Association if you have time or money and want to keep the future as free as possible.