Published online on 29/4/2020This paper evaluates the theory that national courts can act as agents for the protection of the international rule of law, i.e. the idea that, under certain conditions, national courts may compensate for the lack of international mechanisms of law enforcement and ensure that their own governments comply with international law. This theory is tested against a paradigmatic case study from the field of migration, the Diciotti affair, which serves as an example of international law violations caused by governmental policies of migration containment. In this incident, migrants rescued at sea by an Italian Coast Guard ship were confined onboard for a number of days in apparent violation of international legal standar...