Abu Bakr al-Baghdadi Al Qaeda AQ Barack Obama Administration Caucasus Emirate Global Jihad Global Jihadi Revolutionary Movement Global Jihadism Iraq ISIL ISIS Islam in Russia Islamic State Islamism Jabhat al-Nusra Jeish al-Muhajirin wal-Ansar Jihadism JMA North Caucasus Revolution Russia Salahuddin al-Shishani Tarkhan Batirashvili Terrorism Umar al-Shishani US State Department