There were no death certificates issued at Auschwitz. Nevertheless, Swiss banks still demand them before handing over the assets of account holders killed in the Holocaust to their surviving relatives.When the Jews of Europe entrusted their families' wealth to what they hoped would be a safe haven – the banks of Switzerland – they were wrong. Millions of dollars, deposited decades ago in good faith by Jews who were to die in the Nazi genocide, still lie in their vaults, earning interest and providing working capital for Swiss banks.