Mariana van Zeller has put herself in dangerous situations for years to cast a spotlight on the most dangerous, illegitimate markets for her National Geographic series “Trafficked with Mariana van ...

LOS ANGELES, Calif. -- National Geographic's Emmy-nominated docu-series "Trafficked with Mariana Van Zeller" takes viewers into the global underworld's most dangerous black markets. The powerful ...

The investigative journalist's new Nat Geo series casts an eye on the dark side of humanity. Mariana van Zeller is a badass. In just eight episodes of her new series on National Geographic, ...

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. Each adventure follows ...

National Geographic announced today that the nine-time Emmy Award-winning investigative series Trafficked with Mariana van Zeller will return for its highly anticipated new season on Saturday, July 19 ...