South Korea Court hands ex-president Yoon 30-year sentence in martial law crisis

A court in South Korea has sentenced former president Yoon Suk Yeol to 30 years in prison after finding him guilty of orchestrating a drone operation into North Korea, a move prosecutors argued was designed to manufacture a security crisis and justify his controversial declaration of martial law in 2024.

The sentence was handed down on Friday by the Seoul Central District Court, marking another major legal setback for the embattled former leader, who is already serving a life sentence imposed earlier this year for his role in what authorities described as an attempted insurrection.

Prosecutors alleged that Yoon authorized the deployment of drones into North Korean territory in an effort to provoke tensions on the Korean Peninsula and create conditions that could be used to support his subsequent martial law declaration.

According to the prosecution, the operation was part of a broader plan to “fabricate wartime conditions” and strengthen the government’s justification for imposing emergency measures.

Investigators argued that the drone mission not only escalated hostilities with North Korea but also compromised national security after several drones reportedly crashed, leading to the exposure of classified military information, including details concerning South Korea’s defense capabilities.

The case is the latest chapter in the dramatic downfall of Yoon, whose political career unraveled following the declaration of martial law in 2024. In February, he was sentenced to life imprisonment after being convicted of leading an insurrection aimed at paralyzing the National Assembly and undermining democratic institutions.

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Special prosecutors, who announced their findings in April, maintained that the drone operation played a central role in the events that culminated in the martial law crisis. They argued that the mission unnecessarily heightened military tensions and endangered state security.

However, Yoon has consistently denied wrongdoing. He has appealed his life sentence for insurrection, insisting that his decision to declare martial law was made “solely for the sake of the nation.”

His legal team also rejected the allegations surrounding the drone operation, arguing that there was no evidence that the former president directly ordered or approved the mission.

According to his lawyers, the drone flights were conducted as a legitimate response to North Korea’s repeated launch of balloons carrying trash and other materials across the border.

The defense further contended that the operation was a lawful act of self-defense and bore no connection to the martial law declaration. They dismissed the prosecution’s claims as a “speculative and false novel,” accusing investigators of attempting to construct a political narrative unsupported by evidence.

The latest ruling adds to the growing legal challenges facing the former president and is expected to intensify debate in South Korea over accountability, national security and the limits of executive power during periods of political crisis.

Yoon’s legal team is expected to challenge the conviction, setting the stage for a prolonged appeals process in one of the most consequential political cases in South Korea’s recent history.