This is the true story of an infiltrator in the Basque terrorist group ETA, whose mission, in the early 1960s, brought down a quarter of its members, including the upper echelons of the organisation. EL LOBO is the story of a man used and betrayed by Franco’s secret services, rejected by his own family and declared a priority target by ETA. His impact was so great, that even today, ETA still have a bullet with his name on it...