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Portuguese journalist Mariana van Zeller takes viewers on a journey inside the most dangerous black markets in National Geographic series
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How 'Trafficked' host Mariana van Zeller gains sources' trust while covering the black market - ABC News
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How 'Trafficked' host Mariana van Zeller gains sources' trust while covering the black market - ABC News
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TRAFFICKED WITH MARIANA VAN ZELLER: The journalist talks her National Geographic docuseries – Exclusive Interview - Assignment X
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NEW YORK - SEPTEMBER 13: (L-R) Mariana van Zeller and Director Darren Foster attend the premiere of National Geographic Documentary Films' SCIENCE FAIR at the Metrograph in New York City on September
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Meet investigative reporter Mariana van Zeller, who risks her own safety to expose the truth about trafficking
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