Spooks and Glowies are everywhere, and we conspiracy investigators a just a tinge more prone to paranoia than others. Eventually we will need to organize.
What are some steps you can take to ensure your members are not infiltrators if you wished to create communes, unions, communities, protest groups, volunteer orgs, etc.?
A vetting process won't really help against a capable adversary. It's best to assume your group will be compromised and try to compartmentalize as much as possible. This is what splinter cells are for. Adopt strategies that work in a trustless system wherever possible.
There's a bunch of good stuff on here about OPSEC. Also check out his website and medium articles. https://grugq.github.io/
And all this time I thought splinter cell was just a badass video game title