U.S. Secretary of State Mike Pompeo named then-Popular Mobilization Forces deputy chief Abu Mahdi al-Muhandis, Asa'ib Ahl al-Haq leader Qais Khazali and PMF commander Hadi al-Amiri (both of which were present at the embassy attack), and PMF chairman Falih Alfayyadh as responsible for the attack; al-Amiri and Alfayyadh were reportedly guests to the White House during the Obama administration.