Passionate storytelling that brings adventure, exploration, culture, and natural wonders to life. Programs with environmental, educational, and entertaining twists.

National Geographic HD

Passionate storytelling that brings adventure, exploration, culture and natural wonders to life.

National Geographic

Mariana investigates a scam that tricks seniors into becoming drug mules.

Trafficked: Underworlds With Mariana van Zeller

The Drug Mule Scam

Mariana investigates the dangerous, high-stakes world of illegal gambling.

Illegal Gambling

Mariana tracks the illicit path of hashish from Morocco into Europe; a world of shadowy dealers, fast smuggling boats and endless wealth.

Hash Smugglers

Mariana heads to Mexico to investigate the billion-dollar business of people-smuggling to the U.S., a system fueled by cartels and corruption.

Migrant Smugglers

Mariana heads to the Congo to investigate the illegal trading of wild apes that have apes on the brink of extinction.

Apes

Health care costs have pushed millions of Americans to the black market.

Black Market Meds

The trafficking of human remains yields billions of dollars globally and remains clandestine; Mariana's investigation reveals the vulnerability of anyone to human remains trafficking.

Body Parts

Mariana delves into a new scheme called sextortion, where compromising photos are used to extort victims; while searching for the scammer who targeted a young American, she uncovers a scam culture even more terrifying than she had imagined.

Sextortion

Mariana goes inside the world of contract killers.

Assassins

Mariana's investigation into how gold mining is funding terrorism gets interrupted by a military coup that strands the team in Niger.

Caught in an African Coup

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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.

S1 E8 | Illegal Gambling