police mark. Kim Chang-gil, the Giza Police, announced its policy to strictly investigate the controversy over the poor investigation that arose due to suspicions of destruction of evidence by the current police officer, the father of Jang Yoon-gi (23), the suspect in the Gwangju high school murder case. At the regular press conference held at the police headquarters in Seodaemun-gu, Seoul on the 6th, Hong Seok-ki, head of the National Investigation Headquarters of the National Police Agency, said, “I will remain silent” about the suspicions of collusion between the inspector in charge of the investigation and Jang Yoon-gi’s father, Inspector-in-law.