YOUTUBE (NewsNation) - Man previously known to FBI for ‘mass casualty threat’ arrested on terror charges
A Pennsylvania man, who was known to investigators when he was a teen as being involved in the planning of a “mass casualty” incident, has been arrested in an alleged terror plot. 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.