One of the classic conspiracy theories of the 80’s and early 90’s (before the black helicopters, truthers, and birthers) was the belief that Ronald Reagan’s presidential campaign has conspired with the government of Iran to delay the release of American hostages who had been captured during the 1979 revolution.
This theory was written up in a 1992 book by Gary Sick entitled October Surprise. The theory has never gained real legitimacy, and it seems that there are still new holes are being found in it.
The latest hole revolves around Ari Ben-Menashe, a man who described himself as working with Israeli security. As Michael Ledeen wrote in a 1992 review of the book, Ari Ben-Menashe was one of the key sources for Sick:
What is the truth? Was Ronald Reagan as corrupt as Richard Nixon? You may have to make up your mind…