The majority of UFO = aliens reports today - if not in quality then at least in quantity - come from simple eyewitness testimony. People often point to "trained observers" as being key witnesses, such as police officers or pilots. But, skeptics tend to dismiss these reports, and in this episode, Dr. Elizabeth Loftus shares her research into the fallibility and manipulability of human memory, with implications for why this kind of testimony is not considered good evidence.