Schwarzmärkte hautnah mit Mariana van Zeller

Jamaica - Person taking a photo of a group of guys wearing "Dead Man Dem" shirts.

Turbo, Colombia - Mariana van Zeller in Turbo, Colombia. (National Geographic/Muck Media)

Lima, Peru - A street food vendor in Peru.

Sacramento, CA - Trevor working in underground steroids lab. (Credit: National Geographic/Muck Media)

Two cartel chemists press fentanyl pills in a lab. (Credit: National Geographic)

Lima, Peru - Mariana van Zeller (second from right) talking with street-side money exchangers in Lima, Peru.

Crew filming Mariana van Zeller in a gym. (National Geographic)

Mariana van Zeller

Lima, Peru - Counterfeit money.

Sinaloa, Mexico - Mariana van Zeller (R) with sicarios, or hitmen, who are members of the Sinaloa Cartel. (Credit: National Geographic/Muck Media)

Sinaloa, Mexico - Mariana van Zeller (R) with sicarios, or hitmen, who are members of the Sinaloa Cartel. (Credit: National Geographic/Muck Media)

Mariana van Zeller (L) interviewing subject before he performs a ritual. (Credit: National Geographic)

Israel - Mariana van Zeller (center) walking down the street in Israel.

Sinaloa, Mexico - Mariana van Zeller with a group of women known as "Sabuesos Guerreras" who are searching the countryside for their missing loved ones. (Credit: National Geographic)

Sinaloa, Mexico - Mariana van Zeller (L) interviews sicarios from the Sinaloa Cartel as they grill meat. (Credit: National Geographic)

Crew films Mariana van Zeller as she interviews masked man. (Credit: National Geographic)

Mariana van Zeller (R) speaking with Cacique Juarez. (Credit: National Geographic)

Mariana van Zeller (L) talking with a masked subject. (Credit: National Geographic)

Crew films Mariana van Zeller as she conducts an interview. (Credit: National Geographic)

Mariana van Zeller (L) and loggers at illegal logging site. (Credit: National Geographic)

Marijuana plants. (Credit: National Geographic)