Вы видимо невнимательно читали -- там о поддержке ЦРУ ПОСЛЕ свержения Альенде
> http://www.gwu.edu/~nsarchiv/news/20000919/index.html
единственное свидетельство о контактах до 73 года там:
The CIA made a payment of $35,000 to a group of coup plotters in Chile after that group had murdered the Chilean commander-in-chief, Gen. Rene Schneider in October 1970—a fact that was apparently withheld in 1975 from the special Senate Committee investigating CIA involvement in assassinations.