In Part 1 of this multi-part episode, we’re bringing you the story of two teenage girls, who in 1974, are enjoying the end of summer in sunny Florida, when they mysteriously disappear. We delve into their last known movements and uncover a puzzling timeline, haunting memories from family and friends, and a disturbing number of dangerous people who were in the area at the time. And after 50 years, we’re still searching for the girls who went Missing in the Keys…