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Defence & Security10 Oct 2026 · about 6 min

Israeli politician says assassinating Ali Khamenei was a ‘mistake’

The brief

An assassination is the deliberate killing of a prominent person, usually for political or strategic reasons. Saying Khamenei was assassinated means he was intentionally killed rather than dying naturally or in an ordinary accident. His death matters because he was Iran’s Supreme Leader, the country’s highest-ranking political and religious authority. The report places his assassination at the beginning of the US-Israel war. It does not give a more precise date or describe the operation itself. It states that Khamenei was then succeeded by his son, Mojtaba, who became Iran’s new supreme leader. That succession changed the leadership at a dangerous moment. Yair Golan, leader of Israel’s Democrats party, argued that eliminating Khamenei was a mistake because it did not serve Israel’s interests. He also said Netanyahu’s aim of toppling Iran’s government was unrealistic. The report describes Mojtaba as less risk-averse than his father.

01

What does it mean that Ali Khamenei was assassinated, and when did this happen according to the report?

An assassination is the deliberate killing of a prominent person, usually for political or strategic reasons. Saying Khamenei was assassinated means he was intentionally killed rather than dying naturally or in an ordinary accident. His death matters because he was Iran’s Supreme Leader, the country’s highest-ranking political and religious authority.

The report places his assassination at the beginning of the US-Israel war. It does not give a more precise date or describe the operation itself. It states that Khamenei was then succeeded by his son, Mojtaba, who became Iran’s new supreme leader.

That succession changed the leadership at a dangerous moment. Yair Golan, leader of Israel’s Democrats party, argued that eliminating Khamenei was a mistake because it did not serve Israel’s interests. He also said Netanyahu’s aim of toppling Iran’s government was unrealistic. The report describes Mojtaba as less risk-averse than his father.

02

Who was Ali Khamenei, and what is the role of Iran’s Supreme Leader?

Ali Khamenei was Iran’s Supreme Leader before his assassination, according to the report. Iran’s Supreme Leader is the country’s highest-ranking political and religious office. This position matters because it sets broad national direction and has major influence over security, foreign policy, and powerful state institutions.

The president manages the elected government and everyday administration. The Supreme Leader, however, stands above the president in Iran’s political system and oversees the country’s strategic priorities. The leader also serves as commander in chief and appoints or influences key officials. These details draw on established knowledge about Iran’s constitution and political structure.

The report shows the office’s importance through the succession itself. After Khamenei was assassinated, his son Mojtaba became supreme leader. It also links Khamenei to a 2003 fatwa banning nuclear weapons, showing how the office can connect religious authority with national policy.

03

Who is Yair Golan, and why is his criticism significant in Israeli politics?

Yair Golan is identified in the report as the leader of Israel’s Democrats party. His comments matter because he is not speaking as a detached observer. He is a senior figure in Israeli politics, criticizing a major military and national-security decision made during war.

Golan said unequivocally that eliminating Khamenei was a mistake. He clarified that his objection was not about whether Khamenei deserved to die. Instead, he argued that the assassination did not serve Israel’s interests. He also called Prime Minister Benjamin Netanyahu’s goal of toppling Iran’s government unrealistic.

This criticism exposes a political disagreement over what military success should mean. Removing a leader may look decisive, but it can produce a successor with different views. The report says Mojtaba is believed to be less risk-averse than his father. Golan’s warning therefore focuses on consequences, not sympathy for Khamenei.

04

How much political, military, and religious authority does Iran’s Supreme Leader hold compared with the country’s president?

Iran’s Supreme Leader is above the president in the country’s power structure. The leader has broad political authority, major religious standing, and command over the armed forces. The president is elected to run the executive government, but does not control every institution or define national strategy alone.

In practice, the Supreme Leader guides foreign and security policy, appoints or approves influential officials, and commands the military. The president handles administration, budgets, and implementation of government programs. Iran also has unelected bodies that can limit elected politics. These points come from established knowledge about Iran’s political system, beyond the report’s brief description.

The report illustrates this imbalance through Khamenei’s influence. It says he issued a 2003 fatwa banning nuclear weapons in Iran. After his assassination, the succession went directly to Mojtaba as supreme leader, rather than to the president. That transfer shows where ultimate authority sits during a national crisis.

05

What could change in Iran when leadership passes from Ali Khamenei to his son Mojtaba?

A change from Ali Khamenei to Mojtaba means Iran’s highest political and religious office has passed to a different decision-maker. Leadership succession matters because personal beliefs, risk judgments, and relationships can shape how a state responds to war, threats, and negotiations.

The report gives one important contrast. It says Khamenei had issued a 2003 fatwa banning nuclear weapons in Iran, while Mojtaba is believed to be far less risk-averse than his father. This does not prove that Mojtaba will reverse the ban or choose a particular military policy. It identifies a possible difference in temperament.

The immediate reality is that Mojtaba became supreme leader after Khamenei’s assassination during the US-Israel war. That places a potentially more risk-tolerant leader at the center of a major conflict. The forward implication is greater uncertainty. Iran’s response could become more forceful, but the report does not provide concrete evidence of any policy change yet.

06

What was Benjamin Netanyahu’s goal in the war, and why would removing Iran’s government be different from removing one leader?

The report says Israeli Prime Minister Benjamin Netanyahu’s goal was to topple the Iranian government. That is much broader than assassinating one leader. A government includes institutions, security forces, officials, and systems that can continue operating even after a top figure is removed.

The report gives a direct example. Khamenei was assassinated, but Iran’s leadership did not disappear. His son, Mojtaba, succeeded him as supreme leader. This shows the key mechanism: a political system can replace an individual and preserve its central authority. Removing the government would require control or replacement of that wider structure.

Golan called Netanyahu’s goal unrealistic, but the report does not explain his full reasoning. The succession helps show why the two objectives differ. Leadership removal may create uncertainty or change policy, while government overthrow demands a much larger transformation. Mojtaba’s reported willingness to take more risks could make the consequences of the narrower operation especially difficult to predict.

07

What is a fatwa, and how can a religious ruling such as Iran’s 2003 ban on nuclear weapons influence a state’s policies?

A fatwa is a formal religious opinion or ruling issued by a qualified Islamic scholar or authority. It is not automatically a law in every country, but it can carry strong moral and political weight. In Iran, the Supreme Leader combines religious authority with control over the state, making such a ruling especially influential.

The report says Khamenei issued a fatwa in 2003 banning nuclear weapons in Iran. That ruling could guide officials, shape public justification, and signal policy to other countries. It connects a religious principle to national security decisions. The article does not describe how the ban was enforced or whether every institution interpreted it identically.

Its importance may grow after Khamenei’s death because Mojtaba is believed to be less risk-averse. The report does not say he will cancel the ban or change nuclear policy. It does show why succession matters: a new Supreme Leader may interpret, reaffirm, or revise the political meaning of earlier religious guidance.

This brief was written by AI from the original reporting and checked by other models. Names, figures and quotes come from the source; read it for full context.

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