Since the fall of former Syrian President Bashar Assad, industrial-scale manufacturing facilities of the amphetamine-like stimulant Captagon have been uncovered around the country, which experts say fed a $10 billion annual global trade in the highly addictive drug.

Assad's regime raked in $5 billion per year from the Captagon drug trade, dwarfing Syria's official budget and making it a lifeline for the bankrupted country. Imtiaz Tyab has new details about what was discovered about the trade after Assad's rule collapsed.