In this episode, we explore the chilling mystery of the Lead Masks Case, where two men, Miguel José Viana and Manoel Pereira, were found dead in a remote area of Brazil in 1966. Dressed in casual clothes and wearing strange lead masks, their deaths have puzzled investigators and intrigued enthusiasts for decades. After a search led by worried families, the police discovered their bodies without any signs of violence or clear cause of death. Alongside them was a notebook containing cryptic notes and an unexplained substance. Speculation about their fateful experiment, ranging from alien encounters to dangerous drug use, has fueled countless theories. Join us as we delve into this unsolved case, exploring the unanswered questions and the enduring fascination with the unknown that continues to captivate the public's imagination.