Check out the decoding symbols blog. There are a few posts about mk-ultra, but mk-ultra underpins a huge amount of the decoded messages. You'll understand and appreciate many details after reading a few of them. Also worth noting is that mk-ultra was the name when it came onto the public radar; it has morphed in multiple ways since then, including the names used by those who practice it and talk about it. https://decodingsymbols.wordpress.com/