Season 4 Trafficked: Underworlds with Mariana van Zeller
National Geographic 
, 2024
Award-winning journalist Mariana van Zeller investigates new emerging underworlds, including the trade in body parts, hired assassins, sextortion and the smuggling of people across the U.S.-Mexico border, to meet the players and learn the business.
Season 5 Trafficked with Mariana Van Zeller
National Geographic , 2025
Mariana van Zeller investigates the world's most dangerous black markets, from bride smuggling to militias and illegal street racing.