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guybri

Substacknewsletter · by guybri

Investigate Visit
Audience
Not shown publicly
We show a dash rather than guess
Observed frequency
Every two weeks
From 5 posts indexed in the last 90 days
Last post
Oct 2, 2026
39 days ago
Likely audience
True crime enthusiasts
Inferred from post content

guybri is a Substack newsletter by guybri covering Charles Manson, Cult history and 1960s counterculture. NewsletterFIT indexed 5 posts from it in the last 90 days, most recently on Oct 2, 2026.

Topics

  • Charles Manson
  • Cult history
  • 1960s counterculture
  • True crime
  • Interview transcripts

Recent posts

  • Maximal Maxxing…
  • The Hidden…
  • The Evolution…
  • Abusing ESA…
  • The Three…

Sponsors detected

No sponsored posts detected in the last 180 days of indexed posts.

Detected automatically from posts marked as sponsored. Detection can miss or misread placements.

See the full picture on guybri

Subscriber momentum over time, every detected sponsor with the source post, companies and people it mentions, guests, and an alert when any of it changes.

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Compiled from public pages · refreshed Nov 11, 2026 · How NewsletterFIT collects and labels data