Cho Seong-hyun, former commander of the 1st Security Group of the Army Capital Defense Command, is appearing at the Gwacheon-si, Gyeonggi-do Comprehensive Special Prosecutor's Office investigation room on the 10th as a suspect on charges of engaging in important civil war duties. On the 10th, the 2nd general special prosecutor Kwon Chang-young of Yonhap News summoned and investigated Cho Seong-hyeon, former commander of the 1st Security Group (colonel) of the Army Capital Defense Command, for the first time on charges of participating in the December 3 civil war. Colonel Cho was recognized by President Lee Jae-myung for his contribution in resisting the illegal martial law by ordering the ‘Sogang Bridge Retreat Force’.