When he was in fifth grade, though, he stumbled upon a name in his history book that haunted him: Rudolf Höss ... by Allied forces at the end of World War II. “It’s a meticulous record ...

DAN SNOW: Hi, I'm Dan Snow, and I'm at the Holocaust exhibition at the Imperial War Museum looking at some ... but of your family too.'" NARRATOR: Rudolf Hoss, the man who had been in charge ...