The Unsolved Mystery of The Lead Masks Case

Did something supernatural occur in Brazil in 1966? That's when two men were found deceased on Vintem hill wearing black suits and lead masks, with a note by them that read "4:30 PM be at the determined place. 6:30 PM swallow capsules, after effect protect metals wait for mask signal" We're going straight down the rabbit hole in this episode, into the world of the occult, seances, secret societies, and aliens. Buckle up.