Juanita Castro, sister of Fidel and Raúl who worked with CIA, dies aged 90

The staunch anti-communist, at first supportive of her brothers' efforts, became disillusioned with the Cuban government

Juanita Castro, the sister of Cuban rulers Fidel and Raul Castro who worked with the CIA against their communist government, has died in Miami at 90. Florida had been her home since shortly after fleeing the island nearly 60 years ago.

Journalist Maria Antonieta Collins, who co-wrote Juanita Castro's 2009 book, Fidel and Raul, My Brothers. The Secret History, wrote on Instagram that she died on Monday.