Younger sister of Fidel and Raul Castro, Juanita Castro, gave a public confession on her cooperation with the American Central Intelligence Agency fighting against her brother's regime in Cuba before going to an exile in Miami in 1964.

Juanita Castro, nowadays 76-year-old, hasn’t spoken to either one of her brothers for over four decades. She told a story on her CIA engagement in the Sunday evening show of American TV in Spanish language Univision-Noticias 23, a night before the publication of her memoirs on Fidel and Raul Castro.

The book is written is Spanish and entitled "Fidel and Raul, my brothers, a secret story", written along with the Mexican journalist Maria Antonieta Collins, available in bookstores on Monday. Juanita Castro described how she was hiding in her own place in Havana different individuals persecuted by Fidel's regime.

After an initial support of Fidel's revolution in 1959 when the dictator Fulgencio Batista was overthrown in Cuba, Juanita Castro, in her own words, disillusioned hover the way her older brother eliminated his own adversaries and the way he governed this insular state into a communism.

- After I've seen such an injustice I've buried every illusion of it - said Juanita Castro in her mutual interview with Maria Collins broadcasted by the TV station Univision-Noticias 23.

- My life in Cuba became severely endangered and delicate mostly due to the activities taken against the regime – she said. A person close to her as much as to Fidel Castro came to her one day proposing the possible collaboration with CIA.

- They wanted to have a word with me because they had a lot of interesting things to confied in me, and they also asked me a lot of interesting information among which are, if I would be able to take over the risk of working for them ... I was quite shocked by their offer, but eventually I've agreed on it – said Juanita Castro. - That's when became by long relationship with the engrained adversary of Fidel Castro – CIA - said Castro.

From 1961 - 1964 Juanita Castro collaborated with the American agency by saving numerous lives of her compatriots, before she went for an exile to Miami, reported journalist Collins without revealing any other details on the issue.