More on Shin Dong-Hyuk's story:
The keynote speaker at ISIL's 2013 World Conference in Lausanne was the remarkable Shin Dong-Hyuk, who was the first person born in a North Korean prison camp to escape the country.
Having been raised within the confines of the prison camp, he knew nothing of the outside world. The hardship that he endured and horrors that he faced have been elaborated upon in his book "Escape from Camp 14".
In this video hear his answers to some of the tough questions that are on everyone's mind.