For some time, ISIS has in its possibilities this ability to attack.
Kamikaze drone similar to the German V1, will soon be the new attack mode. However, these skills are by few elements trained in Syria and Iraq.
This post reveals what we knew for some time now, it has never been published so as not to suggest to insane new methodologies.
http://www.popularmechanics.com/flight/drones/a18486/6-reasons-dji-is-winning-the-drone-wars/