It's been 100 days since Nancy Guthrie was abducted from her Tucson, Arizona, home. Investigators say the search for Guthrie isn't "hopeless" as DNA and surveillance video could lead to a suspect. #nancyguthrie #missing 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