The Algerian government called the beheading an act of `` criminals , '' and French President Francois Hollande said at the time that Algeria 's Prime Minister assured him he would do the utmost to find the killers . Gouri Abdelmalek led Jund al Islam , which killed French hiker Olivier Gourdel in September . Dar al Khilafa , an Algerian group that splintered from al Qaeda , linked to ISIS . Algerian military says it killed him and two other militants in town of Isser on Monday .
Gouri Abdelmalek led Jund al Islam , which killed French hiker Olivier Gourdel in September . Dar al Khilafa , an Algerian group that splintered from al Qaeda , linked to ISIS . Algerian military says it killed him and two other militants in town of Isser on Monday .