Mariana van Zeller delves into the dangerous worlds of underground steroids, cocaine supply chains, and the deadliest drug in America— fentanyl. Watch more Trafficked with Mariana Van Zeller on Disney+: https://on.natgeo.com/4gDKpAI Trafficked with Mariana Van Zeller Compilation Explore the World with National Geographic subscriptions: http://natgeo.com/ytngmagazine Watch more Trafficked with Marianna Van Zeller on Disney+: https://www.disneyplus.com/browse/entity-71a6bd85-a944-4d1a-ad06-