From 1977 to 1978 the Brazilian Air Force investigated a series of alleged UFO sightings, with multiple witnesses, in and around a city called Colares, located in northern Brazil. The official investigation closed without concluding anything unusual was afoot -- but that may actually be where the real story begins. Tune in to learn more about the strange claims, the oddly specific commonalities between witness accounts... and the mysterious events that haunted the investigators, inspiring them to continue their own investigation after the official operation was shut down.