Core Point - The arrest of former First Lady Kim Keon-hee marks the first instance in South Korean constitutional history where both a former president and their spouse are detained simultaneously [1] Group 1: Legal Proceedings - The Seoul Central District Court issued an arrest warrant for Kim Keon-hee on August 12, following a four-hour pre-arrest questioning session [1] - The Special Investigation Team investigating Kim Keon-hee's case requested the arrest based on allegations of violating the Capital Markets Act, Political Funds Act, and the Act on the Aggravated Punishment of Specific Crimes [1] - The court justified the arrest by citing the potential for Kim Keon-hee to destroy evidence [1] Group 2: Context of Arrest - Prior to Kim Keon-hee's arrest, an arrest warrant was issued for former President Yoon Suk-yeol on July 10, leading to both being detained at the same time [1] - Kim Keon-hee is accused of providing financial support to manipulate stock prices during the tenure of the former chairman of Deutsche Motor Company from 2009 to 2012, as well as interfering in public elections [1]