The Cuban security apparatus knew the invasion was coming, via their extensive secret intelligence network, as well as loose talk by members of the brigade, some of which was heard in Miami, and was repeated in US and foreign newspaper reports.
David Ormsby-Gore, British Ambassador to the US, stated that British intelligence analysis, as made available to the CIA, indicated that the Cuban people were predominantly behind Castro, and that there was no likelihood of mass defections or insurrections [REF].