Panama Papers: Mossack Fonseca leak reveals elite's tax havens. A leak of 11 million confidential documents from a Panamanian business firm has discovered the extent to that the world's wealthy and powerful use tax havens to cover their wealth. The documents, to that the BBC has had access, show however a business firm helped shoppers launder cash, dodge sanctions, and evade tax. Among the papers square measure suspicious deals involving a detailed friend of Russian President, solon. The firm, referred to as Mossack Fonseca, says it's operated on the far side reproach for forty years and have not been defendant or charged with criminal wrong-doing. Richard Bilton reports.