Following this surveillance and espionage would come murder and kidnapping – "the elimination of every person who might have been a potential leader or opponent".In Raqqa, after rebel forces drove out the Assad regime and ISIL infiltrated the town, "first dozens and then hundreds of people disappeared".and upon proclaiming a new caliphate on 29 June, the group appointed al-Baghdadi as its caliph.As caliph, he demands the allegiance of all devout Muslims worldwide, according to Islamic jurisprudence (fiqh).Security and intelligence expert Martin Reardon has described ISIL's purpose as being to psychologically "break" those under its control, "[...] so as to ensure their absolute allegiance through fear and intimidation," while generating, "[...]outright hate and vengeance" among its enemies.Its efforts to terrorise are intended to intimidate civilian populations and force governments of the target enemy "to make rash decisions that they otherwise would not choose".
"one who crushes, or tramples down, something underfoot") and Dāhis (loosely translated: "one who sows discord").
It's a big selling point with foreign fighters, who want to travel to the lands where the final battles of the apocalypse will take place.
The civil wars raging in those countries today [Iraq and Syria] lend credibility to the prophecies. [...] For Bin Laden's generation, the apocalypse wasn't a great recruiting pitch.
Following Salafi-Wahhabi tradition, ISIL condemns the followers of secular law as disbelievers, putting the current Saudi Arabian government in that category.
Salafists such as ISIL believe that only a legitimate authority can undertake the leadership of jihad, and that the first priority over other areas of combat, such as fighting non-Muslim countries, is the purification of Islamic society.