The U.S. Marshals estimate there are currently hundreds of thousands of missing children across the country who could soon become victims of sex trafficking. Correspondent Evan Lambert joins "NewsNation Now" with a rare look inside a recent operation where 200 missing children were recovered over the course of six weeks. #MissingChildren Anchor Elizabeth Vargas delivers the biggest stories, without bias or opinion. Watch "Elizabeth Vargas Reports" every weeknight at 6p/5C on NewsNation. #VargasReports NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij