Man threatened in the video was working for French aid group ACTED . the second beheading of a U.S. journalist by ISIS in two weeks . David Williams was abducted near aid workers in Syria in March 2013 , ACTED says . He was logistics manager , in charge of securing food , other aid for thousands . ` ` The threats on David Haines ' life are intolerable , '' the group says .
Man threatened in the video was working for French aid group ACTED . David Williams was abducted near aid workers in Syria in March 2013 , ACTED says . He was logistics manager , in charge of securing food , other aid for thousands . ` ` The threats on David Haines ' life are intolerable , '' the group says .