Prior to the recent arrest of Kendall and Gwendoline Myers, as long term Cuban
She was a Intelligence Service agents or spies in the USA, (see the previous Spook Country blog entry Alleged Cuban spies in the USA - Walter Kendall Myers and Gwendolyn Steingraber Myers, there was a similar case of a Cuban spy, Anna Belen Montes. Kendall and Gwendoline Myers appears to have admired Anna Montes, but considered her to have been careless with her tradecraft.
The "probable cause for search warrants" affidavit by the FBI (.pdf), in the Anna Montes case, available from the Cryptome website, provides a glimpse of some real world Cuban Intelligence Service espionage tradecraft and secret communications techniques, and of some failings with basic computer security.
It is interesting to compare these real life Cuban espionage tradecraft techniques and FBI counter intelligence countermeasures, to the strict "protocols" described by William Gibson in Spook Country used by the character Tito and his clan of relatives, exiled to the USA, but having been trained by the Cuban DGI and Soviet and East German KGB etc. during the Cold War: