But most of the names here are of unknown people. While the Nazis did not write down the names of those executed in the gas chambers at places like Auschwitz, they did keep detailed records of millions of others who died in the camps. Their names are listed in notebooks labeled \ufffdTotenbuch,\ufffd which means \ufffddeath book.\ufffd The names are written here, single-spaced, in meticulous handwriting.

"Here we see the cause of death: executed. And you can see, every two minutes they shot one prisoner," Jost explains.

"So they shot a prisoner every two minutes for a little over an hour and a half?" Pelley asks.

"Yes. Now look at the date: it\ufffds the 20th of April. That was Adolf Hitler\ufffds birthday. And this was a birthday present, a gift for the F\ufffdhrer. That\ufffds the bureaucracy of the devil," Jost says.