How ISIS Became One of World's Richest Terror Networks

The Wall Street Journal
August 28, 2014 AT 9:32 AM
The Islamic State is one of the world's richest terror groups because of its self-sustaining economy, run mainly on extortion and crime networks, hostages, oil and donations. Columbia University School of International Affairs and Public Policy's Austin Long joins Simon Constable on the News Hub to discuss. Photo: AP