
Eleven-year-old Rui Pedro disappeared in Lousada after leaving home during the afternoon. His bicycle was found, but the child was not. The case became one of Portugal's longest-running and most widely recognized missing-child investigations.
Investigators examined an adult acquaintance who had been with Rui Pedro that day, international child-exploitation networks, reported sightings, and images found in later investigations abroad. Years of searches did not establish where he was taken or what happened afterward.
An acquaintance was ultimately convicted of abducting Rui Pedro, but the child's location and fate remain unknown. Because the central question has not been answered, the case is listed as unsolved.