Before Sunday , the Algerian group Jund al Khilafa was little known . Geoff Porter , who runs the North Africa Risk Consulting , says the murder of Gourdel poses a challenge to AQIM . The videotaped beheading of a French hiker changed that . The group cited an appeal by ISIS spokesman Muhammad al-Adnani . Hide Caption 1 of 10 Photos:
Before Sunday , the Algerian group Jund al Khilafa was little known . The videotaped beheading of a French hiker changed that . The group cited an appeal by ISIS spokesman Muhammad al-Adnani . Hide Caption 1 of 10 Photos: