Seasons & Episodes
Scams
Mariana dives into the world of international scamming to understand how it all works.
Fentanyl
Mariana investigates fentanyl, a contributor to the deadliest drug crisis in U.S. history.
Counterfeiting
Mariana meets the craftsmen who make and sell the world's finest counterfeit U.S. dollars.
Steroids
Mariana attempts to understand the vanity, insecurity and greed that drives steroid use.
Pimps
Mariana sets out to understand the ugly business of illicit sex in America.
Cocaine
Mariana retraces one of the world's most intractable smuggling routes, following cocaine's path around the world - from
Tigers
Mariana van Zeller tackles the black market for tigers and tiger parts, so secretive and dangerous that few have attempt
Guns
Mariana uncovers a supply chain of firearms being smuggled into the hands of drug cartels.
Black Market Surgery
Mariana van Zeller investigates underground plastic surgery, from motel-room operations to a deadly revelation about Mia
Romance Scams
Mariana meets the villains behind an exploding online romance scam.
Black Market Marijuana
Mariana sets off on a wild journey through California’s black market for weed, which has mushroomed since marijuana le
Outlaw Motorcycle Clubs
Mariana van Zeller investigates outlaw motorcycle gangs known as 1% clubs, learning about the bonds of brotherhood that
Meth
Mariana van Zeller follows a meth superhighway from a cartel-run lab in Sinaloa across the border and into the lives of
White Supremacy
Mariana exposes a racist underground movement hellbent on a violent future.
Stolen Cars
Mariana tracks a smuggling route of stolen cars from the U.S. to West Africa.
Cocaine Queens
Mariana investigates a new breed of cocaine trafficker: lady bosses.
Amazon Mafia
Mariana investigates the criminals destroying the Amazon rainforest.
Fish Pirates
Mariana explores the billion-dollar underworld of illegal fishing.
Black Market Organs
A look at the complex inner-workings of the global underworld, black and informal markets.
LSD
Mariana goes in search of the elusive chemists who make the world's LSD.
Ghost Guns
Mariana exposes the dangers of the growing and deadly ghost guns industry.
Terrorist Oil
Mariana investigates how illicit oil is fueling terrorist groups worldwide.
MDMA
An alarming message from her son's middle school about MDMA sparks van Zeller into high gear. She traces the supply chai
Black Market Babies
Mariana explores surrogacy's dark side; a babies-for-cash black market.
Cyber Pirates
Mariana investigates the lucrative black market for private data.
Gangs
Mariana journeys into gangland to understand the violence plaguing LA.
Crypto Scams
Mariana embeds with crypto scammers who show her how they make millions.
Fight Clubs
Mariana investigates the growing popularity of bare-knuckle fighting.
Cartel USA
Mariana explores the growing influence of Mexican cartels in the U.S.
Scam City
Mariana heads to a Southeast Asian hotbed for scamming, where criminal organizations are holding thousands of hostages a
The Tranq Dope Underground
Mariana investigates the mysterious next wave of America's opioid crisis.
Brides for Sale
Mariana travels to Vietnam to investigate reports that young women are being trafficked into China to be sold as unwilli
Million Dollar Highway Heists
Mariana investigates the global phenomenon of armored car heists, responsible for some of the most brazen and dangerous
Inside America's Militias
Mariana investigates the growing influence of heavily armed militias.
The Great American Rehab Scam
Mariana investigates the dark underworld of fraudulent addiction treatment programs.
Black Market Love
Mariana investigates the global surge in anti-LGBTQ+ violence.
Underground Street Racing
Mariana investigates the deadly world of illegal street racing.
Shark Hunters
Mariana investigates the underground market for shark fins.
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