I am not sure why this happened yesterday, but prodigious FOIA pack-rat Michael Best uploaded a pretty heavy 1981 FOIA release by the FBI of all the George DeMohrenschildt material that the bureau felt was safe for public consumption at the time. It's a 2249-page .pdf file and you can download it here. It had been freed up, back in the day, by the late, great Harold Weisberg.
My best guess from this Weisberg papers finding aid is that this was not uploaded by Michael Best to archive.org last year in the monolithic bundle before. I could be wrong about that.
Regardless, if anyone catches some