Revelations have come that the ever-evil CIA conducted experiments for over two decades on Danish children, beginning in the 1960s. The exact nature of these experiments is unknown but involved strapping the subject down and torturing them with loud sounds and other sensory input designed to scare them. According to one whistle-blower, this was to examine the generation of schizophrenia, but more likely the CIA was searching for psychological weapons, as said evil, state terrorist organisation tends to do.
https://thedissenter.org/cia-funded-experiments-on-danish-orphans-for-decades/