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Human experimentation and medical malpractice: MKULTRA: ( "Three members of Congress are demanding answers after a St. Louis scholar's new book revealed details of secret Cold War-era U.S. government testing in which countless unsuspecting people, including many children, pregnant women and minorities, were fed, sprayed or injected with radiation and other dangerous materials... St. Louis leaders were told at the time that the government was testing a smoke screen that could shield the city from aerial observation in case of Soviet attack.