Dr. Steven Greer: "There are at least 69 different alien species documented since the 1960s, ranging from 1.5 feet tall to 40 feet tall." 👽🛸😱Most are bipedal with humanoid structures but show huge diversity in form and size because they come from different star systems.Greer explains: "Some are foot and a half tall... some reported to be 10, 12 feet tall... to my knowledge."He adds that what we often see as "Spooky" aliens in media may actually be bio-engineered robotic entities.On human ET r