Operacin Ogro is a 1979 Spanish and Italian drama film written and directed by Gillo Pontecorvo.
Operacin Ogro Operation Ogre was the name given by ETA to the assassination of Luis Carrero Blanco, the then Prime Minister of Spain in 1973 and the successor of Francisco Franco, the then Spanish dictator. This attack was carried out onDecember 1973.An ETA commando group using the code name Txikia after the nom de guerre of ETA activist Eustakio Mendizabal killed by the Guardia Civil in April 1973 rented a basement flat at Calle Claudio Coello 104, Madrid on the route over which Carrero Blanco used to go to Mass at San Francisco de Borja church. ........
Source: Wikipedia