WorldViews: How Islamic State beheadings are changing the debate on paying ransom

By Adam Taylor, November 19, 2014

This weekend's beheading of Abdul-Rahman Kassig, a U.S. aid worker previously known as Peter Kassig, marked the fifth killing of a foreigner to be filmed and released by the Islamic State. So far, the extremist Islamist group has killed three American citizens and two British citizens in this manner. There is one remaining Western hostage, an American woman.

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