Roswell's First Witness Testimonial | History's Greatest Mysteries (S1, E5) | Full Episode

A cryptic journal sparks an unprecedented investigation into whether a UFO crashed at Roswell, NM in 1947. Major Jesse Marcel, the first government official on the scene, believed to his dying day that an extraterrestrial spaceship plummeted to earth and the U.S. government covered it up. See more in Season 1, Episode 5, "Roswell: The First Witness - The Journal." Watch all new episodes of History's Greatest Mysteries on Mondays at 9/8c, and stay up to date on all of your favorite The HISTORY...