Ex BBC Inside Story. This report, an international co-production coordinated by the BBC's Inside Story, investigates the truth behind Switzerland's role during WWII and in particular the action of the Swiss banks. Before the war, many Jewish families deposited their money in Swiss banks. The banks, knowing that most Jewish customers had dies in the holocaust, stole the money. Now, survivors are wanting their money back and are suing the Swiss banks for $20 billion. There are also claims that Nazi death trains were allowed through Switzerland