https://www.lewrockwell.com/2017/05/...ts/jfk-at-100/
"As I previously reported, Lance deHaven-Smith in his book, Conspiracy Theory in America, shows that the CIA introduced “conspiracy theory” into the political lexicon as a technique to discredit skepticism of the Warren Commission’s cover-up report. He provides the CIA document that describes how the agency used its media friends to control the explanation. The term “conspiracy theory” has been used ever since to validate false explanations by discrediting true explanations."