Cartels have been using a wristband system to track migrants before they cross the border. This comes as the Pentagon sent nearly 3,000 troops to the southern border in order to crack down on illegal immigration. Sandra Sanchez, a "Border Report" correspondent, shares details on the operation. #Immigration #SouthernBorder #Wristbands "NewsNation Now" is a no fluff, no filler newscast hosted by Nichole Berlie featuring up-to-the-minute news drawing from a network of journalists across the U.S. Weekdays starting at 12p/11C. NewsNation is your source for fact-based, unbiased news for all Americans. 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