Weird Scenes inside the Canyon - Book about the 1960s counter culture revolution explaining how it was a CIA psy op. The whole hippie movement was a CIA operation to change to distort the minds of the general public. It was quite successful. Dave McGowan explains all in his book. He conducted many interviews about the topic before his untimely and suspicious death.
Go to 43:45 in this video to see Timothy Leary explaining this in his own words: Very Good 2020 Documentary about Satanism, Hollywood, and CIA Connection: Top Hollywood Stunt Man Explains Satanism and CIA Ties And Brainwashing in Hollywood - OUT OF SHADOWS OFFICIAL