John and his sister Kristina Nguyen(photo below) were last seen with their mother, Van T. Nguyen, on April 18, 2002. They were traveling in a green 1997 Nissan Pathfinder (photo below) with Ohio license plates ADH7739. Their whereabouts remain unknown.
Delhi Township Police Department: 1-513-922-0060
National Center for Missing & Exploited Children: 1-800-843-5678