Prosecutors are seeking a 30-year prison sentence for former South Korean President Yoon Suk-yeol in a first-instance trial held today [1].

The sentencing hearing at the Seoul Central District Court addresses whether the former head of state abused presidential authority to manipulate national security for political gain. If convicted, the sentence would mark one of the most severe penalties ever sought for a former leader in the country's history.

The case centers on allegations that Yoon ordered a drone operation into Pyongyang in October 2024 [1]. The Special Indictment Team said the operation was intended to create a pretext for the declaration of martial law [1]. This action would constitute an illegal transfer of authority, and a severe abuse of power.

Beyond the former president, the prosecution has sought heavy sentences for other high-ranking officials involved in the alleged plot. Prosecutors are seeking a 25-year prison term for former Defense Minister Kim Yong-hyun [1]. Additionally, they are seeking 20 years for former Military Intelligence Chief Yeo In-hyeong [1].

The legal proceedings reached a critical juncture during the sentencing hearing scheduled for 10:00 a.m. on June 12, 2026 [1]. The court is weighing the evidence regarding the internal directives issued by the presidency to the military and intelligence apparatus during the 2024 operation.

The Special Indictment Team said the severity of the requested sentences reflects the gravity of the alleged attempt to undermine democratic processes through the misuse of military assets. The trial focuses on whether the drone deployment was a legitimate security measure or a calculated move to destabilize the government's domestic legal standing to justify emergency rule [1].

Prosecutors are seeking a 30-year prison sentence for former South Korean President Yoon Suk-yeol

This trial represents a significant test of South Korea's judicial independence and its commitment to the rule of law. By targeting the former president and his top defense officials for allegedly fabricating a security crisis to justify martial law, the court is addressing the fundamental tension between national security prerogatives and the prevention of authoritarian overreach.