Overview
- Park rangers found Mariano Ariel Sierra’s personal effects on the pasarelas at the Garganta del Diablo, and he has been missing since Sunday.
- Authorities recovered his DNI, phone, glasses, clothing and 40,000 pesos in cash, plus a handwritten note that showed signs of water damage and was sent to Policía Científica for analysis.
- A joint search by the Policía de Misiones and the Prefectura Naval is being conducted under directives of the federal judiciary, with patrols by land and boats on the Iguazú River.
- Investigators say the leading hypothesis is that Sierra may have entered the river intentionally, but the cause of his disappearance remains under judicial investigation.
- Search efforts are hampered by an extraordinary rise in river flow—more than double normal levels—and the steep, complex terrain of the Garganta del Diablo, which limits safe navigation and narrows immediate chances of finding clear evidence.