Jang Yoon-ki's father disposes of damaged real dolls and mobile phones Prosecutors say, "Circumstantial evidence to reveal sexual motive" Police also investigate 'recovery of defective memory cards' The police officer's father, who destroyed some evidence related to Jang Yoon-gi (23), who murdered the late Lee Chae-won (17), a high school girl on her way home from Gwangju, is under investigation. The circumstances under which the police recovered the damaged black box memory card from Jang's vehicle are also subject to inspection. According to the Gwangju Police Agency on the 2nd, the National Police Agency...