This ordinary house next door shows “just how close heaven can be to hell on earth”. The former home of the world ’s biggest mass murderer, Rudolf Hoss - whose day job was as Auschwitz commandant - has opened its doors for the first time since World War II. The Mirror was invited inside to mark 80 years since the liberation of Auschwitz where 1.1 million people, the vast majority Jews, were slaughtered. I was warned visiting the Hoss house would make “your skin crawl”. It did. It is the