Little new information has surfaced about the Feb. 27 disappearance of retired Air Force Maj. Gen. William Neil McCasland, who is considered an authority on government UFO information. Marik Von Rennenkampff, a former national security analyst who contributes to The Hill, notes that people with knowledge on the topic have long expressed fear for their lives if they divulge information. #UFO #McCaslandMissing #Whistleblower Anchor Elizabeth Vargas delivers the biggest stories, without bias or opinion. Watch "Elizabeth Vargas Reports" every weeknight at 7p/6C on NewsNation. #VargasReports 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