Case Details:Kyron Richard Horman disappeared on June 4, 2010, from Skyline Elementary School in Portland, Oregon, during a school science fair. The 7-year-old was last seen by his stepmother around 8:45 a.m. walking toward his classroom; he was reported missing at 3:45 p.m. when he did not arrive home on the school bus. Despite the largest search in Oregon history - involving hundreds of trained rescuers and exhaustive ground and water searches - Kyron has never been found. He is presumed deceased. A $50,000 reward remains active for information leading to resolution. Anyone with information can contact the Multnomah County Sheriff's Office tip line at 504-988-0560 or tips@mcso.us, the National Center for Missing & Exploited Children at 1-800-THE-LOST, or submit tips directly through this platform, the National Center for Open and Unsolved Cases.