Part Three: Robert tells David about Ziz's glorious plan to take to the sea and sever the right and left brains of her followers in order to make them psychopaths god that sentence was weird to write trust us the episode is weirder.

Part Four: Robert concludes the story of the Zizians with a spree of horrific violent crimes and deaths, culminating in a shoot out with the Border Patrol in Vermont of all places.

Sources: 

1. https://medium.com/@sefashapiro/a-community-warning-about-ziz-76c100180509
2. https://web.archive.org/web/20230201130318/https://sinceriously.fyi/rationalist-fleet/
3. https://knowyourmeme.com/memes/infohazard
4. https://web.archive.org/web/20230201130316/https://sinceriously.fyi/net-negative/
5. Wayback Machine
6. The Zizians
7. Spectral Sight
8. True Hero Contract
9. Schelling Orders – Sinceriously
10. Glossary – Sinceriously
11.  https://web.archive.org/web/20230201130330/https://sinceriously.fyi/my-journey-to-the-dark-side/
12. https://web.archive.org/web/20230201130302/https://sinceriously.fyi/glossary/#zentraidon
13. https://web.archive.org/web/20230201130259/https://sinceriously.fyi/vampires-and-more-undeath/
14. https://web.archive.org/web/20230201130316/https://sinceriously.fyi/net-negative/
15. https://web.archive.org/web/20230201130318/https://sinceriously.fyi/rationalist-fleet/
16. https://x.com/orellanin?s=21&t=F-n6cTZFsKgvr1yQ7oHXRg
17. https://zizians.info/
18. according to The Boston Globe
19. Inside the ‘Zizians’: How a cultish crew of radical vegans became linked to killings across the United States | The Independent
20. Silicon Valley ‘Rationalists’ Linked to 6 Deaths
21. The Delirious, Violent, Impossible True Story of the Zizians | WIRED
22. Good Group and Pasek’s Doom – Sinceriously
23. Glossary – Sinceriously
24. Mana – Sinceriously
25. Effective Altruism’s Problems Go Beyond Sam Bankman-Fried - Bloomberg
26. The Zizian Facts - Google Docs
27. Several free CFAR summer programs on rationality and AI safety - LessWrong 2.0 viewer
28. This guy thinks killing video game characters is immoral | Vox
29. Inadequate Equilibria: Where and How Civilizations Get Stuck
30. Eliezer Yudkowsky comments on On Terminal Goals and Virtue Ethics - LessWrong 2.0 viewer                                                                                                   
31. Effective Altruism’s Problems Go Beyond Sam Bankman-Fried - Bloomberg
32. SquirrelInHell: Happiness Is a Chore
33. PLUM OF DISCORD — I Became a Full-time Internet Pest and May Not...
34. Roko Harassment of PlumOfDiscord Composited – Sinceriously
35. Intersex Brains And Conceptual Warfare – Sinceriously
36. Infohazardous Glossary – Sinceriously
37. SquirrelInHell-Decision-Theory-and-Suicide.pdf - Google Drive
38. The Matrix is a System – Sinceriously
39. A community alert about Ziz. Police investigations, violence, and… | by SefaShapiro | Medium
40. Intersex Brains And Conceptual Warfare – Sinceriously
41. A community alert about Ziz. Police investigations, violence, and… | by SefaShapiro | Medium
42. PLUM OF DISCORD (Posts tagged cw-abuse)
43. Timeline: Violence surrounding the Zizians leading to Border Patrol agent shooting