Border Patrol agents in the Texas Rio Grande Valley sector are ramping up efforts to dismantle sophisticated smuggling operations, including hidden tunnels. #Border #Cartel #Smugglers Get a fast-paced look at the latest from the border to Main Street to the White House on "NewsNation Live with Marni Hughes." Weekdays starting at 9a/8C.#NewsNationLive 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