Witnesses are taking the stand in the trial of James Crumbley, the father of Michigan school shooter Ethan Crumbley. James Crumbley is facing manslaughter charges for providing his 15-year-old son with the gun that was used to kill four students at Oxford High School. #JamesCrumbley #Michigan #OxfordHighSchool 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