김성수는 피해자를 쓰러뜨리고 난 후 흉기를 휘둘렀는데, 김성수가 흉기를 쓰기 시작하는 장면은 현장 CCTV에 찍히지 않았다.
Kim Sung-Soo swung the weapon after the victim was knocked down, but the scene where Kim Sung-Soo began to use the weapon was not recorded on site CCTV.