Kyron Richard Horman (born September 9, 2002) is an American boy who disappeared from Skyline Elementary School in Portland, Oregon, on June 4, 2010, after attending a science fair. Local and state police, along with the Federal Bureau of Investigation (FBI), conducted an exhaustive search and launched a criminal investigation, but have not uncovered any significant information regarding the child's whereabouts. Horman's disappearance sparked the largest criminal investigation in Oregon history.