The Islamic State of Iraq (ISIS) is an umbrella organization for a number Iraq insurgent groups. Although it has perpetrated many terrorist acts since its formation in 2006, especially against Shia and Christian civilians, it has been especially active in late 2102 and 2013, claiming responsibility for killing and wounding hundreds of people through suicide bombings. It's principal targets are U.S. military and Shia and Christian civilians. This is a different umbrella group than the Islamic State of Iraq and the Levant, also known as the ISIS (see separate entry).
Video: 2013 Original title - جبهة النصرة تعدم ثلاثة ضباط من الجيش الأسدي في الرقة
Video: 2013 Propaganda