What is the most disturbing declassified government document that no one really talks about?

https://www.youtube.com/watch?v=cDCfTIapds0 This is better conveyed through a video of a hearing about the documents.

https://28pages.org/

And of course the classic MKUltra, but hears a bit you may not have heard about.

Using CIA funding, Cameron converted the horse stables behind Allan Memorial into an elaborate isolation and sensory deprivation chamber where he kept patients locked in for weeks at a time.[130] Cameron also induced insulin comas in his subjects by giving them large injections of insulin, twice a day, for up to two months at a time.[111] Several of the children who Cameron experimented on were sexually abused, in at least one case by several men. One of the children was filmed numerous times performing sexual acts with high-ranking federal government officials, in a scheme set up by Cameron and other MKULTRA researchers, to blackmail the officials to ensure further funding for the experiments.[131]

https://en.wikipedia.org/wiki/Unethical_human_experimentation_in_the_United_States

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