A woman known as the Queen of Cuba lived a lie for nearly two decades. Ana Montes was already a spy for Cuba when she left graduate school and started a job at the Defense Intelligence Agency.

Recent discoveries have emerged regarding the arrest of Tomás Emilio Hernández Cruz, a former officer of Cuba's Directorate General of Intelligence ...

The U.S. Department of Homeland Security announced Wednesday that a group of federal agents had arrested a man in Broward ...

Last December, the U.S. arrested Manuel Rocha for secretly acting as an agent of the Cuban government. During his decades-long career in the State Department, Rocha orchestrated one of the most ...

The White House and Pentagon called media reports on Thursday of Chinese plans to build a spy facility in Cuba inaccurate, capping off a day in which new concerns about national security threats ...