Jesse Weber discusses more developments that could come to the surface during Rex Heuermann's appearance in court Tuesday. He says investigators are being careful with the information they make public so they don't jeopardize the investigation. #RexHeuermann #GilgoBeach #murders 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 10a/9C.#NewsNationLive 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