Impeached South Korean President Yoon Suk Yeol has sent a message to conservative supporters rallying outside his Seoul residence, vowing to "fight to the end" against "anti-state forces." His legal team warned on Thursday that police officers attempting to detain him could face arrest by his presidential security service or even civilians. Yoon's statement came as the Corruption Investigation Office for High-Ranking Officials prepares to execute a detainment warrant against him that was issued by a Seoul court. The warrant was issued after Yoon evaded multiple requests to appear for questioning and blocked searches of his office, hindering an investigation into whether his short-lived power grab on Dec. 3 amounted to rebellion.

Taking a course on East Asia Affairs at the State Department in 1985, our class was glued to the TV to watch the return of exiled South Korean…