Christiane Amanpour interviewed journalist Didier François was held captive by ISIS for more than 10 months

CNN :: A French journalist's ISIS captives cared so little about religion they did not even have a Quran, Didier François -- who spent over 10 months as the group's prisoner in Syria -- told CNN's Christiane Amanpour in an exclusive interview on Tuesday.

Read Mick Krever, www.cnn.com