Olvidados (2004)

The relatives of the victims of the terrorist gang ETA speak of their suffering, their fear, their loneliness; of the systematic oblivion to which they are subjected by Basque society, both by those who remain silent and look the other way and by those who, accomplices of the criminals, share their repugnant ideology and celebrate extortion, kidnapping and murder, thus contributing to perpetuating a bloody reign of terror.

Unfortunately the movie Olvidados is not yet available on HBO Max.