Less than a week after the Roswell wreck, the U.S. Department of War issued a statement claiming the debris came from a weather balloon. And for decades, that was the official story. But what if it was a lie? Today, we’re examining how the government silenced eyewitnesses, spread misinformation, and squashed stories of alien encounters. This is the second episode in our four-part crossover series with Unexplained Mysteries, celebrating the 75th anniversary of the Roswell UFO crash.