A local mother here in New Brunswick, Canada has appealed to the general public to help her find her two boys, who were abducted by their father on December 31st. The Royal Canadian Mounted Police have the basic information on this site.
Update: 19 January, and both boys are still missing.
Update 10 February: "Police in Louisiana have found two New Brunswick children who have been the subject of an international search for more than a month." 🙂