“The terror group is suspected of using mustard gas in a series of recent attacks, and a notorious Dutch jihadi says it’s from Assad’s stockpile. But U.S. officials beg to differ. An infamous Dutch soldier turned ISIS fighter says the group has acquired chemical weapons once belonging to Syrian President Bashar al-Assad, resurrecting fears that what was supposed to be the regime’s destroyed program has instead fallen into jihadi hands.”
Source: Where Did ISIS Get Its Chemical Weapons? – The Daily Beast