AdvertisementHollande: French Hostage 'Assassinated' By Algerian ExtremistsSeptember 24, 2014Scott NeumanfacebookEmailThis still image from video published on the Internet on Wednesday by a group calling itself Jund al-Khilafah, or Soldiers of the Caliphate, shows members of the group standing behind French mountaineer Herve Gourdel just before beheading him. (AP)