Overview

• The Corruption Investigation Office for High-ranking Officials (CIO) completed a second day of raids on South Korea’s presidential office on May 8, 2025.
• Key materials, including meeting records and entry logs from July 2023, were secured as part of the investigation into former President Yoon Suk Yeol’s alleged obstruction of a military inquiry.
• The probe focuses on claims that Yoon pressured then-Defense Minister Lee Jong-sup to reverse criminal referrals in the 2023 drowning of Marine Cpl. Chae Su-geun.
• Marine Corps investigators had initially recommended negligent homicide charges against eight individuals, including a Marine Corps commander, before the referrals were rescinded.
• The CIO reported the raid concluded smoothly following mutual agreements on the warrant's scope and access to sensitive materials.