Core Points - The investigation into Kim Keon-hee, the wife of former South Korean President Yoon Suk-yeol, marks the first time a presidential spouse has been publicly summoned for questioning in South Korea [1][3] - The special investigation team (SIT) is focusing on allegations related to stock price manipulation involving Deutsche Motors, political broker selection, and requests from religious figures [3] - Kim Keon-hee publicly apologized to the South Korean public and stated her willingness to cooperate with the investigation [3] Investigation Details - The questioning lasted over seven hours, with breaks included, and Kim Keon-hee did not exercise her right to remain silent [1][3] - The SIT may summon Kim Keon-hee again for further questioning regarding additional allegations, including those related to the three construction companies and the Yangpyeong expressway planning case [3] - Following the impeachment of Yoon Suk-yeol, the SIT was officially formed to investigate these cases, which had previously been blocked by the former president [3] Health Concerns - Kim Keon-hee's health has reportedly deteriorated significantly since last November, with her weight dropping to below 40 kilograms due to stress from the political turmoil [3]