The man central to blocking investigators from arresting South Korea's impeached President Yoon Suk Yeol has come under the spotlight himself in the political crisis sparked by Yoon's brief declaration of martial law last month.

STORY: A South Korean court approved the arrest of impeached president Yoon Suk Yeol Tuesday, over his short-lived decision to impose martial law earlier this month.It's the first time an arrest warrant has been issued against a president of South Korea.