Report documenting the arrest of Fidel Castro and fellow members of the "26th of July" group in Mexico. The report goes into great detail about the group's organization and training, and their plans for revolution in Cuba.

A memorandum from Mexican Federal Director of Security regarding the recently exiled Cuban Counter-Revolutionary Council's meeting with U.S. President Kennedy in Florida to ask him for greater support of the anti-Castro forces.

A memorandum informing that the Cuban Democratic Revolutionary Front will be disbanding due to insufficient economic means. The Front, however, affirmed that it would continue to meet periodically to maintain a nucleus of resistance against Castro’s tyranny.

The Mexican Federal Director of Security's concern regarding the Directors of the Cuban Revolutionary Council (formerly the Cuban Revolutionary Democratic Front), especially with their disorientation over the withdraw of the U.S. Embassy and the unsuccessful propaganda campaign against Fidel Castro. The Director believes this Council will dissolve soon.

An informational memorandum regarding a report received from Guatemala describing the details of the next "imminent" invasion of Cuba (similar to the Bay of Pigs) and the mobilization of counter-revolutionary forces.