Proving intent is the hardest part of international law. An occupying power often hides behind the principle of military necessity, claiming that delivering food or medicine to a zone like Oleshky risks feeding insurgents or complicates tactical movements. To pierce this defense, investigators focus on the distinction between collateral damage and systemic deprivation.
The Rome Statute, which governs the International Criminal Court (ICC), provides a framework. If a pattern emerges showing that aid blockage consistently benefits the occupier while starving a population, lawyers can argue it constitutes a war crime under Article 8. They look for evidence of deliberate starvation as a method of warfare. Even if the state claims combat necessity, the law requires that such measures remain proportionate and serve a specific military objective that outweighs the humanitarian cost.
Another route involves the International Court of Justice (ICJ), where states hold one another accountable for violating the Geneva Conventions. By documenting the breakdown of supply lines and the specific administrative hurdles placed on NGOs, legal teams build a record of 'constructive denial.' This means proving that while no single order may say 'starve the city,' the cumulative effect of bureaucratic roadblocks and checkpoints creates a policy of neglect that violates the laws of occupation.