History's Greatest Mysteries: Military Cleanup at Roswell Crash?! (S1, E6) | Full Episode

A former CIA operative's investigation into the Roswell crash arrives at a critical moment when the mysterious journal found among the possessions of Major Jesse Marcel undergoes a crucial test. See more in Season 1, Episode 6, "Roswell: The First Witness- The Memo." 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 Channel shows at history.com/schedule. #HISTORY #HistorysGreatestMysteries Find out more about the...