ISIS apparently ban drugs but in a dead jihadist house in the Isis state was found drug maybe coke as I read in a article.
For sure the Isis sell drugs and sinked the shipment for don't share the market with the mexicans.
They definitely use drugs during combat. If they do sell it, its probably a very small part of their financial activity. You should check out this video i posted up a couple of days ago about narco terrorism.
http://www.gangsterbb.net/threads/ubbthreads.php?ubb=showflat&Number=869128#Post869128
