The Hague Convention you identify is generally enforced in the domestic courts of the country where the child is physically located that has child custody jurisdiction or via a «Central Authority» as defined by a signatory to the Convention, although it is a bit more complex than that because the Hague Convention has one set of rules for «emergencies» and another for ordinary cases. (law.stackexchange.com)
He has appeared as an expert witness in the Family Courts of both countries as well as having his work featured in Canadian and American media, including The New York Times. (karnercare.com)
The lawyer appealed to the authorities of the security agents and the federal government to respect court order and allow Dasuki to enjoy the bail granted him by a law court of the country. (securitykingng.org)