Behind the Panama Papers Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email 11.5m files anonymously leaked from the database of the world's fourth biggest offshore law firm, Mossack Fonseca, referred to as the 'Panama Papers,' indicates possible secret offshore dealings. ( Pxl8 / Getty ) Produced by WNYC Studios