CIA Experiments to control animals - MKULTRA by a different name?
Operation Acoustic Kitty
But then the scientists tried to run Acoustic Kitty through her paces. Several weeks of training proved frustrating. They just couldn’t get the cat to “move consistently according to its mission,” Houghton writes.
But the late Victor Marchetti, a CIA officer in the 1950s and ’60s who later became a critic of the agency (he’s the one who called Project Acoustic Kitty a “monstrosity”), said testing actually was pretty promising – thanks to a breakthrough in electronic brain stimulation.
https://www.oregonlive.com/books/2019/05/how-the-cia-tried-to-train-cats-to-spy-on-the-russians-the-strange-true-story-of-acoustic-kitty.html
10 Crazy CIA Operations That Actually Happened - Including Operation Mockingbird!
https://discover.hubpages.com/politics/10-Crazy-CIA-Plots-That-Actually-Happened
Cold War-era CIA documents reveal how the agency trained cats, dolphins, ravens and even a cockatoo to secretly spy on the Soviet Union
https://www.dailymail.co.uk/news/article-7462853/Cats-dolphins-one-smart-raven-CIAs-secret-animal-spies.html
Want other sources?
https://www.dailymail.co.uk/sciencetech/article-4455714/The-CIA-implanted-microphones-skin-CATS.html
https://en.wikipedia.org/wiki/Acoustic_Kitty