Charles Manson’s cult, Anton LeVay’s Church of Satan(TM), Jim Jones’ Peoples’ Temple, Scientology, and a whole lot of other bad enterprises got started in San Francisco or found a welcome home there in the 60s and 70s (Manson later moved out near Los Angeles).
Dig through Grimerica podcasts, they interview many authors and investigive journalists who cover this history. It started in the late 40’s and is well documented.
Nothing here even scratches the surface.
Deeper and darker than any horror story, with more international intelligence agency connections than any Google server. Scale, scope, and continuing parameters of the western operation are astounding.
The western op started in the valley, there were real nazi humans involved, and a few satanist... mostly through dia operations ramping up before the Kennedy murder.