How did the CIA experiment with mind control?

How did the CIA experiment with mind control?

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The CIA experimented with Project CHATTER and various other projects that had to do with mind control experiments, by introducing LSD into people's drinks to see if that would get them talking. These experiments were often done without permission of the people, which was incredible, but those were the ethics of the day perhaps, maybe not. These were very desperate efforts to try anything to learn secrets about the Soviets.