(Portland, OR) -- The owner of three dogs that killed a six-year-old boy in Portland has been indicted for Criminally Negligent Homicide. The attack happened in December 2023. A friend of 56-year-old Koko Miller dropped the boy off at her house where the attack happened. Miller was also injured trying to stop the attack. Miller was indicted for Criminally Negligent Homicide, Maintaining a Dangerous Dog and Criminal Mistreatment in the First Degree.