The story behind this landmark extraterrestrial case that led to the popularization of the alien term "little green men," the Kelly-Hopkinsville Encounter. It was a warm summer’s night in 1955 when the Sutton family witnessed something otherworldly on their property. What began as glowing eyes and small creatures looking into their home quickly escalated into full blown gunfire. News of this event spread rapidly, first popularizing the phrase “little green men”. Today, we explore the fascinating case of the Kelly-Hopkinsville Encounter.