Former South Korean President Yoon Suk Yeol was sentenced to life imprisonment on Thursday after a court found him guilty of leading an insurrection during his brief declaration of martial law, a move that plunged the nation into political turmoil and threatened decades of democratic governance. The ruling closes a dramatic chapter in one of South Korea’s most severe political crises in recent memory.
On December 3, 2024, Yoon, 65, announced martial law in a late-night televised address, claiming that opposition parties harbored “anti-state forces” sympathetic to North Korea. Armed soldiers were deployed to the National Assembly by helicopter, attempting to storm the chamber where lawmakers were gathered. In a chaotic standoff broadcast live, citizens, lawmakers, and parliamentary staff barricaded entrances, preventing the soldiers from reaching the assembly.
Yoon’s declaration, widely condemned as a threat to democracy, evoked memories of South Korea’s authoritarian past. He reversed the decision within six hours after lawmakers forced entry into parliament and unanimously blocked the decree.
Judge Ji Gwi-yeon stated that Yoon’s intent was clearly to paralyse the National Assembly, citing his military decree and efforts to arrest political opponents, including the opposition Democratic Party leader and his own ruling party’s leader Han Dong-hoon. The dispatch of armed soldiers by helicopter constituted acts of insurrection, the court ruled.
Former Defense Minister Kim Yong-hyun was also sentenced to 30 years for his role in the crisis, while four other former military and police officials received sentences ranging from three to 18 years.
Yoon’s legal team criticised procedural violations and inconsistencies in the ruling, asserting in a statement that history would ultimately vindicate him. Meanwhile, supporters and witnesses described the verdict as a crucial affirmation of the public’s role in safeguarding democracy.
Yoon, who can appeal, denied the insurrection charge, claiming the martial law declaration was intended to alert the public to political gridlock caused by the opposition majority and impeachment proceedings against senior officials. He argued that no heavy weaponry was used and no serious casualties occurred.
South Korea’s prosecutors had sought the death penalty, highlighting the severity of the charge, though the country has not carried out executions in decades. Special counsel Park Eok-su emphasised that Yoon’s actions “destroyed the liberal democratic constitutional order” and caused widespread fear and anxiety among citizens.
This verdict marks the first time in 30 years that a South Korean leader has been sentenced for insurrection. The last case involved former President Chun Doo-hwan, who was convicted for a 1979 military coup and the 1980 Gwangju massacre. Yoon remains under investigation for additional charges, including aiding an enemy state and misuse of drones in a provocation against North Korea, while several of his top aides have also been prosecuted.
The sentencing of Yoon and key allies represents a historic assertion of South Korea’s democratic institutions and underscores the judiciary’s willingness to hold even the highest office accountable.
