![Portuguese journalist Mariana van Zeller takes viewers on a journey inside the most dangerous black markets in National Geographic series Portuguese journalist Mariana van Zeller takes viewers on a journey inside the most dangerous black markets in National Geographic series](https://www.gannett-cdn.com/presto/2021/01/04/NTEG/2530aaa4-f94c-43f8-83a7-b06c407dca25-NatGeo.jpg)
Portuguese journalist Mariana van Zeller takes viewers on a journey inside the most dangerous black markets in National Geographic series
![On Location With Mariana van Zeller : Breaking Borders : TravelChannel.com | Breaking Borders : Mariana Van Zeller, Michael Voltaggio : TravelChannel.com | Travel Channel On Location With Mariana van Zeller : Breaking Borders : TravelChannel.com | Breaking Borders : Mariana Van Zeller, Michael Voltaggio : TravelChannel.com | Travel Channel](https://travel.home.sndimg.com/content/dam/images/travel/fullset/2015/02/11/breaking-borders-mariana-instagram-ss/breaking-borders-mariana-van-zeller-instagram-011.jpg.rend.hgtvcom.966.966.suffix/1491582225135.jpeg)
On Location With Mariana van Zeller : Breaking Borders : TravelChannel.com | Breaking Borders : Mariana Van Zeller, Michael Voltaggio : TravelChannel.com | Travel Channel
Mariana Van Zeller on Instagram: “While filming tomorrow's #traffickedwithmarianavanzeller episode on guns, we spent a day with three Mexican sicarios (gunmen). Young men…”
Trafficked - Takeaways: Pimps | Mariana reflects back on the interview she did with a pimp named Jack Knife during the pimps episode of Trafficked. New episodes of Trafficked With... | By
![The bad guys are often more like us than we'd like to believe.” Mariana Van Zeller on finding empathy in society's darkest corners | National Geographic The bad guys are often more like us than we'd like to believe.” Mariana Van Zeller on finding empathy in society's darkest corners | National Geographic](https://static.nationalgeographic.co.uk/files/styles/image_3200/public/moneyrunners_ep101_trafficked_trafficked_dsc1649_0.jpg?w=1600&h=902)
The bad guys are often more like us than we'd like to believe.” Mariana Van Zeller on finding empathy in society's darkest corners | National Geographic
![Mariana van Zeller on Twitter: "Told him I had a surprise to show him. First thing he said was, “Mom!! You're on a billboard! I'm so proud of you.” 💙 Thank you @ Mariana van Zeller on Twitter: "Told him I had a surprise to show him. First thing he said was, “Mom!! You're on a billboard! I'm so proud of you.” 💙 Thank you @](https://pbs.twimg.com/media/FFZsdeLVIAAHAnz.jpg)
Mariana van Zeller on Twitter: "Told him I had a surprise to show him. First thing he said was, “Mom!! You're on a billboard! I'm so proud of you.” 💙 Thank you @
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