144K views · 1.5K reactions | 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 | Facebook

6.2K views · 100 reactions | Mariana van Zeller has been reporting on criminal networks for over a decade and has the connections, the expertise, and the patience to get deep undercover in the world’s most dangerous underground crime rings. #TraffickedWithMarianavanZeller premieres December 1 on National Geographic. | National Geographic TV | Facebook

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

Trafficked with Mariana van Zeller | Guns