By John Ogunsemore
Iranian authorities on Wednesday executed Roozbeh Vadi, a nuclear scientist convicted of spying for Israel’s Mossad intelligence agency, said Mizan, the judiciary’s online website.
Vadi was accused of providing sensitive information about another Iranian nuclear scientist who was killed during Israel’s airstrikes on Iran in June.
Local non-profit, Iran Human Rights stated that Vadi, who worked at the Atomic Energy Organisation of Iran, was held in Evin Prison in Tehran since his arrest in February 2024.
The execution, carried out by hanging in Tehran, followed Vadi’s conviction for “espionage and intelligence cooperation in favour of the Zionist regime,” Mizan reported.
Authorities claimed he met Mossad officers five times in Vienna, Austria, to relay classified information.
Iran’s judiciary stated that Vadi’s actions endangered national security, though the other scientist’s identity and specific details of the information allegedly shared were not provided.
The execution comes amid heightened tensions following a 12-day conflict with Israel in June, during which Iranian authorities have reported multiple arrests and executions of suspected Israeli spies.
Human rights groups, including Amnesty International, have criticised Iran’s judicial process, alleging that confessions are often coerced and trials lack transparency.
Iran Human Rights noted that Vadi’s execution marks the fourth such case since a ceasefire between Iran and Israel.
Iran has a history of executing individuals accused of collaborating with Mossad, with at least 480 executions reported in 2025 alone, according to Iran Human Rights.
The country’s ongoing crackdown has raised concerns about due process and the potential use of espionage charges to suppress dissent.

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