CNN New Day Sunday November 22, 2015 11:37:00
Now a u.s. official tells cnn it's believed some jihadist fighters are using captagon. how will it fuel them on the battlefield? >> you can stay awake days at a time. you don't have to sleep. it gives you a sense of well-being and euphoria and you think you're invincible and nothing can harm you. >> reporter: recently, the u.n.'s drug czar sent isis and affiliated front were believed to be smuggling captagon. cnn has been told there is a robust black market for the drug in the middle east. analysts say the profits fund weapons purchases for jihadist groups. >> hezbollah and people affiliated w...