GENEVA — A U.N. fact-finding mission opened an investigation Tuesday into the deadly strike on the Shajareh Tayyebeh girls’ school in Minab, Iran, as the Pentagon pressed ahead with a broader command probe into whether U.S. forces were responsible for an attack that Iranian officials say killed 168 children, mostly girls, March 17.
The parallel investigations have turned the Minab strike into a test of evidence, accountability and civilian-protection policy. The U.N. side is now weighing what one mission member described as a “critical need” for an independent outcome, while the Pentagon’s higher-level review can gather sworn statements and potentially support disciplinary action if U.S. responsibility is confirmed.
Iran school strike probes now run on parallel tracks
According to Reuters’ March 17 report on the U.N. inquiry, Max du Plessis of the U.N. Fact-Finding Mission on Iran said investigators were still at an early stage but had credible reports backing Iran’s death toll. The move put an international investigative body directly onto the Minab case, rather than leaving the issue solely to governments and military briefings.
That international track now runs beside a higher-level Pentagon command investigation that Defense Secretary Pete Hegseth said would “take as long as necessary.” Reuters reported the review is a 15-6 administrative probe led by a general officer from outside U.S. Central Command and can become the basis for disciplinary action.
The U.S. inquiry matters because early findings pointed to a preventable failure, not a mystery. Reuters reported March 11 that the strike may have stemmed from outdated targeting data that did not clearly separate the school from the adjoining Iranian military compound.
Publicly available evidence has only intensified scrutiny. In a Reuters visual investigation, reporters found the school and nearby buildings in the adjacent Islamic Revolutionary Guard Corps compound were the only locations hit within 5 kilometers during the period studied, while also documenting years of public online material tied to the school, including archived web pages, a business listing and satellite imagery showing painted playground markings and a building walled off from the base.
Pressure is also building in Washington. A March 11 Reuters report on a Senate Democratic letter said 46 senators asked Hegseth for a swift investigation, answers on civilian-harm safeguards and an explanation of whether artificial intelligence tools played any role in the targeting process.
Why the Minab attack became harder to dismiss
The attack took place Feb. 28, the first day of the latest U.S. and Israeli strikes on Iran. Rights groups and U.N. officials say the school was hit during class hours or just as staff were trying to get children home after the fighting began. Independent verification remains difficult because access to the site is limited, but the U.N. mission said this week it had credible reports supporting Iran’s casualty claims.
What changed over the following two weeks was the weight of the public record. Early U.S. comments stressed that American forces would not deliberately target a school. But subsequent reporting, satellite analysis and video evidence steadily narrowed the field of plausible explanations and shifted the question away from whether the strike happened and toward how it was approved.
How earlier reporting built the case for scrutiny
The current U.N. action did not emerge in isolation. On March 3, the U.N. human rights office called for a prompt, impartial and thorough investigation. A day later, the Iran fact-finding mission said it was deeply shocked by reports that a Minab school had been hit. By March 7, Human Rights Watch was urging the U.S. and Israel to investigate the attack as a possible war crime.
That sequence matters because it shows how the Iran school strike moved from an initial allegation into a layered accountability story. First came calls for disclosure, then demands for an independent inquiry, and now a formal U.N. examination alongside a Pentagon review with a wider mandate and potentially sharper consequences.
For Washington, the risk is no longer only reputational. If the command investigation confirms that a school long identifiable as civilian was struck because of stale intelligence or weak target verification, the Minab case would rank among the worst incidents of civilian deaths in decades of U.S. military operations in the Middle East.
For the families in Minab, however, the legal and bureaucratic stakes are secondary to a simpler question: whether two powerful investigative tracks will finally produce a public account of who ordered the strike, why a school was treated as a target and what accountability follows if the attack is confirmed to have been unlawful.

