João Prestes Filho Light-Beam Death

On March 5, 1946, in the rural village of Araçariguama approximately 50 kilometers west of São Paulo, the 44-year-old farmhand João Prestes Filho was returning home from a fishing trip when a luminous ball of light entered through his window and struck him. Within minutes his skin began to exhibit severe damage — witnesses described flesh separating from bone on his face, hands, and limbs as though liquefied, while his clothing remained completely intact. His friend Vergílio found him in agony and helped transport him to a hospital in nearby Santana de Parnaíba, where Prestes died approximately six hours later. Medical staff were baffled by the nature of his injuries, which resembled neither conventional burns nor any known chemical reaction. Decades later, Spanish investigator Pablo Villarrubia Mauso traveled to the region, tracked down surviving witnesses including a woman named Lilica who confirmed seeing burned flesh falling from his body, and established the case in the international research literature. The body was reportedly exhumed at a later date, possibly by French researchers. The case is frequently compared to the Chupa-Chupa light attacks in Colares, Pará in 1977 and is regarded as one of the earliest documented lethal UAP encounters in Brazil.