Mariana interviews 'Muhammed' as he fills a tanker truck with illicit gasoline. (National Geographic)Episode: #02-207 "Terrorist Oil"Air Date 03/01/2023Ep207_TerroristOil_Trafficked_UHD_5.jpg
Mariana van Zeller stands amongst a group of surrendered Boko Haram fighters at a de-radicalization camp. (Credit: National Geographic)Episode: #02-207 "Terrorist Oil"Air Date 03/01/2023Ep207_TerroristOil_Trafficked_32b.jpg
Mariana van Zeller interviews four ex-members of Boko Haram. (Credit: National Geographic)Episode: #02-207 "Terrorist Oil"Air Date 03/01/2023Ep207_TerroristOil_Trafficked_30b.jpeg
Mariana van Zeller inside a military helicopter. (Credit: National Geographic)Episode: #02-207 "Terrorist Oil"Air Date 03/01/2023Ep207_TerroristOil_Trafficked_23b.jpg
Mariana van Zeller at a bunkering site. (Credit: National Geographic)Episode: #02-207 "Terrorist Oil"Air Date 03/01/2023Ep207_TerroristOil_Trafficked_22b.jpeg
Mariana van Zeller conducts interview. (Credit: National Geographic)Episode: #02-207 "Terrorist Oil"Air Date 03/01/2023Ep207_TerroristOil_Trafficked_18b.jpeg
Mariana van Zeller (L) sits for her interview with Dr. Fadlallah (R). (Credit: National Geographic)Episode: #02-207 "Terrorist Oil"Air Date 03/01/2023Ep207_TerroristOil_Trafficked_11b.jpeg
Mariana van Zeller prepares for interview. (Credit: National Geographic)Episode: #02-207 "Terrorist Oil"Air Date 03/01/2023Ep207_TerroristOil_Trafficked_9b.jpeg
Mariana van Zeller walking through Beirut. (Credit: National Geographic)Episode: #02-207 "Terrorist Oil"Air Date 03/01/2023Ep207_TerroristOil_Trafficked_8b.jpg
Mariana van Zeller (L) interviews Abu Ali, an oil smuggler. (Credit: National Geographic)Episode: #02-207 "Terrorist Oil"Air Date 03/01/2023Ep207_TerroristOil_Trafficked_5b.jpeg
Mariana van Zeller attends a Hezbollah rally in Beirut, Lebanon. (Credit: National Geographic)Episode: #02-207 "Terrorist Oil"Air Date 03/01/2023Ep207_TerroristOil_Trafficked_3b.jpeg