“We are behind our brothers [ISIS] against this international crusade and we join them in their enmity against this campaign. We confirm the call to whoever is able to hurt the Americans to make an effort to hurt them militarily, economically and through the media. They are the leaders of this war and the base of this campaign.”“Yemen’s Al Qaeda Expresses Support for Islamic State Against ‘Crusade,’” Reuters, October 17, 2014, http://www.reuters.com/article/2014/10/17/us-mideast-crisis-qaeda-yemen-idUSKCN0I61G220141017.