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.

Today is the deadline for the arrest warrant of South Korea’s impeached president Yoon Suk Yeol. Former French President Nicolas Sarkozy will go on trial on charges of corruption. US NSA Jake Sullivan

The one-week warrant for his detention is valid through Monday. There were no immediate indications that authorities were ready to send investigators back to the residence as of Sunday afternoon.