Fadel Abdulghany
The practice of arbitrarily detaining foreigners and dual nationals to extract political, economic, or diplomatic concessions from states is one of the most pressing challenges facing the contemporary international legal order. Often referred to as hostage diplomacy, this phenomenon lies at the critical intersection of governance logic and human rights imperatives, exploiting weaknesses in international enforcement mechanisms while the offending state is careful to keep the conduct, formally, within its territorial jurisdiction and sovereignty.
International law addresses this pattern of behavior through multiple and overlapping frameworks, including human rights instruments, conventions that explicitly criminalize hostage-taking, and rules of diplomatic and consular law. However, significant gaps in accountability and enforcement remain, rendering the existing legal framework insufficient to effectively deter or address these violations. The case of Iran clearly illustrates this problem, as Tehran has developed hostage diplomacy into a systematic tool of its foreign policy over decades, necessitating an analysis that balances normative standards with the limitations of their practical application.
The Operational Dimensions of Iranian Hostage Diplomacy
Iran practices hostage diplomacy through interconnected dimensions that reflect strategic calculations exploiting structural weaknesses in the international system. First, Tehran systematically targets Western citizens, dual nationals, and some expatriates as bargaining chips in asymmetric diplomacy, where selection is often based on the potential to leverage each case for political, media, or negotiating pressure.
Second, this practice employs legal facades under the guise of legitimate judicial proceedings, portraying arbitrary arrests as security-related prosecutions. This approach complicates and delays international responses, transforming courts into instruments of coercion rather than institutions of justice.
Third, victims are subjected to harsh detention conditions, denial of effective legal representation, and risks of torture or ill-treatment, with isolation from consular assistance and independent oversight. This environment is used as punishment and as a means to increase the perceived bargaining value of release.
Finally, from Tehran’s perspective, this approach has proven capable of achieving negotiating gains despite international condemnation, which reinforces the dilemma of deterrence as long as the results achieved remain higher, in political calculations, than the cost of reputation and diplomatic pressure.
Legal Accountability Gaps and Limited Enforcement
The international legal framework faces structural challenges in dealing with state hostage diplomacy, due to the ambiguity of some legal standards and the weakness of available enforcement mechanisms. Although this practice constitutes a violation of the prohibition against arbitrary detention enshrined in human rights instruments, its classification within certain legal frameworks, such as its characterization as coercive intervention according to the jurisprudence of the International Court of Justice, remains a subject of ongoing debate due to the technical threshold of coercion. This creates a gap between the gravity of the act and the requirements for legal condemnation in some cases.
The strategic use of reservations also undermines accountability. Iran, for example, has expressed reservations to the article on dispute settlement in the International Convention against the Taking of Hostages, effectively obstructing judicial referral through the treaty process and transforming the power of reservation into a tool for obstructing accountability. Furthermore, the absence of effective enforcement mechanisms and continued non-cooperation with international procedures contribute to a climate of impunity, rendering many legal rules more akin to symbolic norms than to effective deterrents capable of effecting change.
Possible Paths to Countering Iran’s Hostage Diplomacy
Countering Iran’s hostage diplomacy requires a comprehensive, multi-pronged approach that combines legal, diplomatic, and practical measures. Canada’s 2021 Declaration on Countering Arbitrary Detention in International Relations represents an important normative step in establishing collective political opposition, advocating for improved detention conditions, ensuring consular access, and prohibiting torture and ill-treatment, thus supporting a normative consensus upon which to build. In this context, the International Independent Group of Experts on Arbitrary Detention was established in 2024. This institutional body is mandated to analyze legal gaps and make recommendations to strengthen accountability and deterrence internationally, providing a precise framework for developing legal and diplomatic efforts.
Sanctions against implicated officials remain a valuable tool, and their effectiveness increases with multilateral coordination, alongside enhanced information sharing, collective diplomatic pressure, and support for legal proceedings and compensation for victims. Preventive measures also deserve attention, such as strengthening travel warnings and advice for dual nationals and restricting certain flows or activities that facilitate the exploitation of detention, thereby reducing the number of potential targets. Finally, maintaining a principled stance against unconditional normalization by linking any improvement in relations to verifiable changes in behavior is crucial. This balances principled opposition with keeping the door open for a future political settlement should circumstances change.
