Trafficked With Mariana Van Zeller

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

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

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

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

Mariana journeys into gangland to understand the violence plaguing LA.

Mariana investigates the growing popularity of bare-knuckle fighting.