A man protests against tax havens or 'paradis fiscaux' at the G20 summit in Paris on February 19, 2011

A man protests against tax havens or ‘paradis fiscaux’ at the G20 summit in Paris in February 2011. “The risk of getting caught for having a non-declared account in a tax haven is still next to zero,” says Gabriel Zucman, an offshore tax fraud expert at the Paris School of Economics.