Trafficked with Mariana van Zeller is an original documentary series that explores the complex and dangerous inner-workings of the global underworld, black and informal markets. Don't miss the first episode tonight at 9/8c. | National Geographic

3.3K views · 35 reactions | Want to go deeper into the global underworld? Season 2 of the Trafficked podcast has investigative journalist Mariana van Zeller getting inside access to the masterminds behind black markets and underground economies, including illegal plastic surgery, meth labs, and more. Listen wherever you get your podcasts. #TraffickedWithMarianavanZeller | National Geographic TV | Facebook

What lies just beneath the surface of the MDMA industry's secretive world? Mariana Van Zeller has gained insider access to find out. #TraffickedWithMarianavanZeller | National Geographic TV

2.2K views · 58 reactions | Mariana Van Zeller puts safety on the line as she investigates one of the world's most explosive illegal trades – fuel. Watch an all-new episode of #TraffickedWithMarianavanZeller tonight at 9/8c on National Geographic. | National Geographic TV | Facebook

In every city, there are people who play by the rules, and people who don’t. Investigative journalist Mariana van Zeller is on a mission to access criminal networks, and she’s taking you with her. From the tiger trade to cocaine creation, join her in a brand new series: Trafficked with Mariana van Zeller. Starts 18th of January on National Geographic UK. | National Geographic UK