Islamic State (ISIS and ISIL)

The Islamic State of Iraq or the Levant or Islamic State of Iraq and Syria is an extremist insurgent group. The group is made up of Sunni jihadists, and they are known for very violent tactics. They use kidnapping and beheading threats, and have published many videos of them carrying out the beheadings on their victims. It was estimated that in 2014, the group had between 20,000 to 30,000 fighters based in Iraq and Syria.