By Rachel Avraham
When former Israeli hostage Segev Kalfon described his captivity under Hamas — beatings, starvation, psychological pressure, and attempts at forced religious conversion — his words were not only a personal testimony of suffering. They were, in legal terms, a detailed indictment. Under international humanitarian law, his account constitutes prima facie evidence of multiple war crimes as defined by the Geneva Conventions and customary international law.
In an era flooded with political slogans and competing narratives, Kalfon’s testimony cuts through ideology and speaks the language of law. International humanitarian law is not based on sympathy or propaganda; it is built on codified norms developed after humanity witnessed the worst atrocities of the 20th century. And by those standards, what Kalfon endured is not merely “mistreatment.” It is legally defined criminal conduct.
The Third Geneva Convention, which governs the treatment of prisoners of war, and the Fourth Geneva Convention, which protects civilians in times of war, both prohibit violence to life and person, cruel treatment, torture, and outrages upon personal dignity. Article 3, common to all four Geneva Conventions, is explicit: any form of physical or mental coercion, humiliation, cruel treatment, or degradation of detainees is strictly forbidden under all circumstances. There are no exceptions. No ideological justifications. No wartime exemptions.
Kalfon’s account of being beaten and starved falls directly under the prohibition of cruel treatment and torture. Starvation as a method of coercion is not only morally abhorrent; it is explicitly prohibited by international law. The deliberate deprivation of food intended to break a detainee’s resistance constitutes a grave breach. These are not minor violations. Under the Geneva framework, “grave breaches” trigger universal jurisdiction, meaning any state may prosecute the perpetrators regardless of where the crime occurred.
Even more legally striking is Kalfon’s description of pressure to convert to Islam. Forced religious conversion is explicitly forbidden under international humanitarian law and international human rights law alike. The Fourth Geneva Convention protects the religious convictions and practices of detainees. Compelling a captive to abandon his faith under threat, violence, or deprivation constitutes not only psychological torture but also a violation of freedom of religion — a right enshrined in both the Geneva Conventions and the International Covenant on Civil and Political Rights.
What makes this testimony particularly important is that it does not stand alone. It joins a growing body of evidence from released hostages describing patterns of abuse that align with systematic, not incidental, violations. Under international criminal law, repetition and consistency matter. When abuse appears methodical rather than accidental, it strengthens the legal case that violations were committed as part of an organizational policy — a key element in establishing command responsibility.
Hamas, as a non-state armed group exercising de facto control over territory and hostages, is fully bound by the laws of war. International law makes no distinction between state and non-state actors when it comes to war crimes. The legal obligations apply equally. The deliberate targeting and abuse of civilian hostages, their unlawful detention, and their mistreatment are all prosecutable offenses under the Rome Statute of the International Criminal Court.
Under Article 8 of the Rome Statute, war crimes include torture, cruel treatment, outrages upon personal dignity, taking hostages, and intentionally directing attacks against civilians. Kalfon’s captivity involves several of these elements simultaneously. Hostage-taking alone is a stand-alone war crime under international law. When accompanied by physical abuse, starvation, and coercion, the gravity multiplies.
The legal implications extend beyond Hamas itself. Any individual who participated in, facilitated, ordered, or knowingly failed to prevent such treatment may bear criminal liability. The doctrine of command responsibility holds superiors accountable if they knew — or should have known — that such crimes were being committed and failed to act. This is not a theoretical construct. It has been applied in tribunals from Nuremberg to The Hague.
Critics often attempt to reduce hostage testimonies to political tools. But from a legal perspective, they are evidentiary building blocks. International prosecutions are not built on slogans; they are built on consistent witness accounts, corroborating medical evidence, video documentation, and patterns of behavior. Each testimony adds weight to the legal record that will one day be used in formal proceedings.
It is also essential to address a dangerous misconception: that the laws of war are “suspended” in asymmetric conflicts. They are not. In fact, the Geneva Conventions were specifically crafted to apply precisely to conflicts involving irregular forces, occupations, and non-state armed actors. The weaker legal position of Hamas does not dilute the law’s applicability; it strengthens the imperative for compliance.
From Israel’s perspective, the significance of Kalfon’s testimony is not only moral but strategic. It provides a legal narrative that stands independently of military necessity arguments. It shifts the international discussion from political blame games to legally verifiable violations. This is crucial in an international environment where legal institutions often struggle to separate law from pressure.
Beyond the courtroom, there is a wider civilizational dimension. International humanitarian law exists to preserve a minimum of humanity even when war dismantles everything else. Torturing captives, starving them, and attempting to forcibly reshape their identity through religious coercion is not “resistance.” It is the systematic destruction of human dignity — the precise evil the Geneva Conventions were written to prevent.
Kalfon’s voice, therefore, is not only the voice of a survivor. It is the voice of evidence. It confronts the international community with a legal obligation: not to debate whether such acts are justifiable, but to determine who is accountable for them and how justice will be pursued.
In conflicts, truth is often the first casualty. Law is usually the second. But when testimony aligns so clearly with established legal prohibitions, the path forward becomes unambiguous. International law does not ask whether these acts are politically inconvenient to prosecute. It asks only whether they occurred and who bears responsibility.
From captivity to international law, one man’s testimony now stands as a legal mirror held up to a terrorist organization. What remains to be seen is whether the institutions built to defend human dignity will have the courage to act on what that mirror so clearly reflects.
Photo from @TVhidabroot: https://www.youtube.com/shorts/ncFeGRYKPDg
