The branch office in Bern , Switzerland , began gathering reports , including some that were smuggled out of the camps , for a book called Kreuzzug gegen das Christentum ( Crusade Against Christianity ) , an exposé of Nazi crimes .
The branch office in Bern , Switzerland , began gathering reports , including some that were smuggled out of the camps , for a book called Kreuzzug gegen das Christentum ( Crusade Against Christianity ) , an expose of Nazi crimes .