Italy's inconclusive justice
There's barely one iconic crime from the post-war years that has persuaded the country that, yes, justice has been done: the murder of Pier Paolo Pasolini, the Ustica crash, the Bologna railway station bombing, the Piazza Fontana atrocity, the Monster of Florence murders, the murder of Luigi Calabresi, the "caso Cogne" … none has ever been satisfactorily, convincingly resolved. Instead the country seems to split into innocentisti and colpevolisti (those who believe in the innocence or guilt of the accused) and the heated debates continue for decades. guardian
Note: in Portugal my teacher Padre Max was killed (April 2 - 1976) by a sofisticated (for the 70's) bomb engine and no one was found guilty. It was the Right (of course) - because they never accepted a priest of the catholic church to be in an far-left political party - but the Right had very known faces.