How Offshore Banks & Money Laundering works ?

On Wednesday, Francois Hollande had to react to the revelation that his former budget minister had a secret Swiss bank account. Now the president has been forced to deny he knew his former campaign treasurer had investments in the Cayman Islands. They've come to light after the Washington-based International Consortium of Investigative Journalists leaked the offshore secrets of thousands of politicians and business figures from 170 countries. Joining us live from Washington, DC is Marina Walker, the organisation's deputy director.