Seventeen-year-old Fermi Osorio Tzoy of Mount Prospect, Illinois, was last seen on May 10, 2026. He is described as Hispanic/Latino, 5 feet 3 inches, about 130 pounds, with black hair and brown eyes. The last known sighting was at the Walmart at 930 Mount Prospect Plaza, where he was wearing a white baseball hat, a black shirt with Jesus is King printed on the back, dark-colored jeans, and black and white gym shoes.

An official report was filed with the Mount Prospect Police Department on May 10, 2026 (case MPP26-011095) and the case was added to NamUs on June 22, 2026 (MP159810).

If anyone saw Fermi at the Walmart that day or has information about his movements after May 10, please contact the Mount Prospect Police Department.