On 4 October, as there was no proof of his affiliation to any guerrilla organisation whatsoever, he was sent to the García Moreno penitentiary, where he stayed for almost three months without being brought to trial.
Because of the overwhelming international pressure, the government of president León Febres Cordero had to authorise his release from prison on 28 December 1985, be it through putting him on a direct flight to Lima, Peru.
He is the author of several books, all translated into different languages: Spanish, French, English, Italian, German, Dutch, Turkish, Persian, Czech (see bibliography).
As a collaborator of the French monthly Le Monde diplomatique, he participated in the production of various documentaries for television broadcasting channels, such as: the British BBC; the French-German Arte; the German ADR.
He interviewed the president of Ecuador, Rafael Correa,[3] and other distinguished people such as: Danielle Mitterrand,[4] the actor Pierre Richard[5] and Monsignor Jacques Gaillot France);[6] the sociologist James Petras (United States); the French-Spanish journalist Ignacio Ramonet;[7][8] the commander of the Cuban Revolution Victor Dreke[9] and the intellectual of the same nationality Abel Prieto.
[11] As well as commanders of the National Liberation Army (Ejército de Liberación Nacional, ELN), Manuel Pérez Martínez (ex-Commander in Chief Milton Hernández, Ramiro Vargas[12] and Pablo Beltrán.
The manager of the company gave him the phone number of the office from where he had received the order: it was the Transportation Security Administration, TSA, in Washington that answered the phonehttp://www.elcorreo.eu.org/De-nuevo-arbitrariedades-de-los-Estados-Unidos-prohiben-el-transporte-de-personas?lang=fr.
The case of Calvo Ospina induced the Spanish journal El País to explain the reason why the European authorities and their transport companies accepted that the United States take this kind of decisions, i.e. in order to avoid passengers to descend in their territory.
He was also reproached for having met members of the FARC "during his activities as a journalist" and for appearing on the "American list of persons who were prohibited to fly over the air space of the United States.
He was also honoured by the Instituto Cubano de Amistad con los Pueblos (Cuban Institute for Friendship with the People, ICAP) and received the award from the hands of its vice-president, Fernando Gonzalez Llort, Hero of the Republic of Cuba.
In France, he is a member of the Société des Auteurs et Compositeurs Dramatiques (SACD), founded on July 3, 1777, in Paris by Pierre-Augustin Caron de Beaumarchais.