Italian prosecutors have placed Israeli Defence Minister Israel Katz, military chief Eyal Zamir, and 12 other senior military, police, and prison officials under criminal investigation for the treatment of activists seized from Gaza-bound flotillas in 2025 and 2026. The probe widens a case that initially centred on far-right National Security Minister Itamar Ben-Gvir, escalating the legal exposure from a single political provocateur to the institutional chain of command. The Rome prosecutors' office confirmed the case covers suspected torture, kidnapping, personal injury, robbery, and damage. The investigation was triggered by complaints from 50 Italian citizens detained after two Global Sumud Flotilla missions — the first intercepted in international waters in October 2025 with 462 activists aboard 42 boats, the second beginning near Crete in April 2026 and involving roughly 430 people on 50 ships, with final interceptions occurring off Cyprus by May 19. The allegations escalate sharply between the two missions. Activists from the 2025 flotilla reported beatings, injuries, death threats, insults, and accusations of terrorism. Those from 2026 described harsher treatment: beatings in the dark, tasers, rubber bullets. The activists reported at least 15 cases of sexual assault, including rape. Italian economist Luca Poggi told Reuters: "We were stripped, thrown to the ground, kicked." Ben-Gvir's response has been defiance, not defence. He posted a video showing himself taunting cable-tied, kneeling activists at a makeshift prison at the port of Ashdod while Israel's national anthem played. In June, he dismissed the investigation, saying he would "continue to stand proudly alongside" Israeli soldiers. This posture is itself a data point — it signals that the political incentive structure inside Israel currently rewards rather than punishes the behaviour under investigation. The legal mechanism is Italian extraterritorial jurisdiction: under Italian law, crimes committed abroad against Italian citizens can be prosecuted in Rome. Prosecutors sent Israel a judicial assistance request in June seeking information to reconstruct events and establish individual responsibility. Whether Israel has responded remains undisclosed. Parallel investigations are under way in other European countries, with coordination through Eurojust, the EU's judicial cooperation agency. The structural significance lies in who is now named. Adding the Defence Minister and the military chief means this is no longer about one inflammatory politician — it implicates the formal command structure. If prosecutors find charges warranted, they could formally request a trial. Whether any Israeli official would ever face an Italian courtroom is another matter entirely, but the legal record itself becomes a tool of international pressure and precedent. The pattern is clear: European states are using domestic criminal law as a lever against Israeli military operations that target their citizens. The question is whether this remains symbolic friction or builds into something with real enforcement teeth — extradition requests, arrest warrants, asset freezes, or diplomatic consequences that alter the cost calculus in Jerusalem.