
Armed with National Geographic's trademark inside access, Trafficked with Mariana van Zeller takes viewers on a journey inside the most dangerous black markets on the planet. Each investigation in the eight-part series embeds with Peabody and duPont Award-winning journalist Mariana van Zeller as she explores the complex and often violent inner workings of a smuggling network. While she dives deeper and deeper into these underworlds, Mariana reveals - with characteristic boldness and empathy - that the people operating these trafficking rings are often a lot more like us than we realize.

Mariana dives into the world of international scamming to understand how it all works and meet the outlaws at the heart of this booming industry. Her investigation takes her from the streets of Montego Bay to the glitzy neighborhoods of Tel Aviv as she pursues some of the biggest phone, lottery and financial scammers in the world and learns why Americans are the perfect targets.

Fentanyl has turbocharged the deadliest drug crisis in American history. But less understood is how the drug has utterly transformed the black market. Mariana goes in search of the new bosses, new routes, new risks and the American communities paying the price for fentanyl's next wave.

Mariana journeys deep inside the Peruvian underworld to meet the gangster craftsmen who make and sell the world's finest counterfeit U.S. dollars. Along the way, she learns that many of these counterfeiting operations are run by criminal families in Lima, who are making a fortune despite the anti-counterfeiting efforts of the U.S. Secret Service and the Peruvian National Police.

Mariana attempts to understand the vanity, insecurity and greed that's driving the unregulated, billion-dollar black market in body-enhancing drugs.

In an eye-opening journey through her home state of California, Mariana embeds with pimps, victims, undercover cops and private investigators to understand the ugly business of illicit sex in America. How do pimps recruit? How do they think? Where do they get their power? And just how far will they go to grab their share of this billion-dollar black market?

Mariana retraces one of the world's most intractable smuggling routes, following cocaine's path from a remote Peruvian valley through Colombia's Caribbean coast, all the way to the streets of Miami. Despite the decades-long U.S. War on Drugs, cocaine production is at an all-time high, and Mariana meets some of the makers, smugglers, drivers and teenage backpackers who risk their lives to deliver America's favorite party drug.

Mariana tackles what one of her sources calls "the untouchable smuggling story." The black market for tigers and tiger parts is so lucrative, so secretive and so dangerous that few have attempted to uncover its ugly details. Mariana journeys far, and near, to meet the smugglers face-to-face.

Mariana uncovers a lethal supply chain of American firearms being smuggled into the hands of drug cartels and fueling record levels of gun violence in Mexico. A journey filled with jaw-dropping access to gunrunners, mules, cartel bosses and assassins takes an even more terrifying turn when the son of the world's most notorious drug lord, El Chapo Guzman, is arrested and the cartel that Mariana infiltrates decides to violently revolt.

Mariana van Zeller investigates the dark corners of black market plastic surgery, where sex, greed and social media drive patients toward deadly motel-room operations. In Miami's discount surgery centers, she uncovers a bombshell connection between felons, greedy doctors and patient deaths.

Mariana journeys from America's heartland to the cafes of Ghana to meet the romance scammers fleecing Americans out of millions.


Mariana Van Zeller investigates one of the darkest and most elusive black markets in the world--the illicit trade in human organs.

LSD is booming because of the growing faith in its healing power. Mariana hunts for the elusive chemists responsible for making the world's supply.

Mariana is on a mission to expose how ghost guns — untraceable firearms built from kits bought online — are fueling violence across the country.

What drives a person to make a living out of killing? Mariana goes inside the dark world of contract killers.

Mariana heads to Manila to investigate a new blackmail scam, sextortion.

Mariana exposes how black market operators are profiting from the sale of stolen human remains on secret marketplaces in the U.S. and beyond.

Mariana investigates the growing influence of Mexican cartels in America, exposing an extensive network that's fueling violence and addiction.

Mariana van Zeller investigates sextortion, a blackmail scam using compromising photos to extort victims. She heads to the Philippines to find the scammer who shamed an American victim into suicide.

The sale of human remains generates billions of dollars worldwide each year, but remains largely hidden from public view and abuse abounds. Anyone can become a victim of the remains trade.
Complete episode guide for Trafficked with Mariana van Zeller with detailed information about every season and episode including air dates, summaries, ratings, and streaming availability in United States.
This episode guide is organized by seasons, making it easy to track your viewing progress or find specific episodes. Use the episode information to plan your binge-watching sessions or catch up on missed episodes.
Mariana sets off on a wild journey through California's black market for weed, which has mushroomed since marijuana legalization four years ago.

Mariana van Zeller investigates outlaw motorcycle gangs known as 1% clubs, learning about the bonds of brotherhood that fuel these violent groups.

Mariana van Zeller follows a meth superhighway from a cartel-run lab in Sinaloa across the border and into the lives of American users.

Mariana races to expose a global underground movement hellbent on a violent white supremacist future.

Mariana follows a smuggling route of cars stolen from the U.S. to shipping containers bound for West Africa, where the demand is skyrocketing.

Mariana investigates a new breed of narco starting to gain power in cocaine trafficking networks of Colombia and Brazil: las jefas, lady bosses.

Mariana travels to the Amazon to track down the criminal networks behind a slew of killings and the illegal destruction of the rainforest.

As much as 30% of our seafood has been caught illegally. Mariana searches for the fish pirates who make billions each year while destroying our oceans.

Mariana embarks on a journey from Africa to the Middle East to uncover how black-market oil is fueling terrorist groups around the world.

Mariana investigates how the demand for MDMA here in the U.S. is threatening to turn the Netherlands into a narco state.

Mariana investigates the global surrogacy market to understand how the dream of starting a family is fueling a babies-for-cash black market.

Mariana is on a mission to understand how personal and financial data is stolen and sold by a shadowy network of hackers and thieves.

Violent crime is soaring in Los Angeles to levels not seen in 30 years. Mariana goes inside the Crips and the Bloods to understand why.

Mariana embeds with a crew of cryptocurrency scammers who show her how they make millions of dollars in mere weeks.

Mariana investigates underground fight clubs and the push to bring bare-knuckle fighting into the mainstream.

The high cost of prescription drugs has pushed millions of Americans to the black market and into hands of criminal syndicates looking to cash in.

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

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

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

Mariana, an investigative journalist, looks into a fraudulent scheme deceiving senior citizens in the United States. She hopes to uncover how the scam operates and who is behind it.

Mariana investigates a nefarious scam that tricks elderly Americans into becoming unwitting drug mules.

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

Mariana travels to Vietnam to investigate reports that young women are being trafficked into China to be sold as unwilling brides.

Mariana investigates the global phenomenon of armored car heists, responsible for some of the most brazen and dangerous robberies in the world.

Mariana investigates America's heavily armed militias and their growing influence.

Mariana investigates the scammers luring addicts into fraudulent sober homes, while billing health programs for billions in bogus treatments.

Mariana investigates a wave of anti-LGBTQ+ violence and uncovers a well-funded global network pushing an anti-gay agenda around the world.

Mariana goes inside the adrenaline-fueled, gambling-funded subculture of illegal street racing that's wreaking havoc on cities around the globe.

Mariana investigates the illegal trade in shark fins, going face-to-face with hunters and smugglers and undercover to explore the demand in the U.S.