When Human Rights Override Mutual Trust: Lessons from Norway's Refusal to Execute a Greek Arrest Warrant

The recent decision of the Hålogaland Court of Appeal in Norway to refuse the surrender of Norwegian activist Tommy Olsen under a Greek European Arrest Warrant (EAW) highlights an increasingly important question in European extradition law: how far does the principle of mutual trust extend when fundamental rights are at stake?

The case concerned a Greek arrest warrant issued against the founder of the NGO Aegean Boat Report, who was accused of offences including participation in a criminal organisation and facilitating irregular migration. While a Norwegian first-instance court had initially approved the surrender, the Court of Appeal unanimously overturned that decision.

The significance of the judgment lies not in the underlying allegations but in the legal grounds relied upon by the Norwegian court.

Dual Criminality Remains a Meaningful Safeguard

The Court concluded that the conduct described in the Greek warrant did not constitute a criminal offence under Norwegian law. According to the court, the activities attributed to Olsen—monitoring migration movements, documenting alleged human rights violations, communicating with migrants and assisting asylum procedures—fell within lawful humanitarian and expressive activities protected under Norwegian law.

The decision serves as an important reminder that, despite the highly integrated nature of the European Arrest Warrant system, the principle of dual criminality remains a significant safeguard whenever applicable. Executing authorities are not bound by the legal labels attached to the conduct by the issuing State; they must examine the underlying acts themselves.

Freedom of Expression as a Barrier to Surrender

Perhaps even more significant was the court’s reliance on Article 10 of the European Convention on Human Rights.

The Norwegian court found that surrender would create a real risk of interference with Olsen’s freedom of expression. In doing so, it treated the alleged activities not merely as factual conduct but as activities closely connected to reporting, documenting and disseminating information concerning migration practices and alleged human rights violations.

Although courts more frequently examine extradition cases through the lens of Article 3 ECHR (prohibition of torture and inhuman treatment) or Article 6 ECHR (right to a fair trial), this judgment illustrates that Article 10 may also operate as an effective limitation on surrender where criminal proceedings risk disproportionately interfering with protected expression.

A Challenge to the Presumption of Automatic Surrender

The European Arrest Warrant framework was designed to facilitate rapid surrender based on mutual trust between participating States. However, recent European jurisprudence has demonstrated that mutual trust is not absolute.

The Court of Justice of the European Union has already recognised, in cases such as Aranyosi and Căldăraru and LM (Celmer), that surrender may be refused where there is a real risk of fundamental rights violations. The Norwegian decision extends that broader trend by illustrating how freedom of expression concerns may also justify refusal in exceptional circumstances.

Practical Implications

The ruling is unlikely to undermine the European Arrest Warrant system as a whole. Refusals remain exceptional and the threshold for invoking human rights protections remains high.

Nevertheless, the case provides valuable guidance for defence practitioners. It demonstrates that successful challenges to extradition and surrender requests increasingly focus not on procedural technicalities but on substantive rights protected by the European Convention on Human Rights.

For lawyers acting in cross-border criminal matters, the judgment is also a reminder that dual criminality, freedom of expression and the broader proportionality of criminal proceedings continue to play an important role even within systems founded on mutual recognition and judicial cooperation.

Conclusion

The Olsen case reflects a broader evolution in European extradition law. While mutual trust remains the cornerstone of cross-border judicial cooperation, national courts continue to act as guardians of fundamental rights.

The decision of the Norwegian Court of Appeal demonstrates that where surrender would potentially criminalise conduct protected by domestic law and the European Convention on Human Rights, human rights considerations may ultimately prevail over the presumption of automatic execution of an arrest warrant.