The owner of the dogs that mauled and killed a child in December 2023 has been indicted on four felony charges.

The Portland Police Bureau’s Child Abuse Team concluded its investigation into a deadly dog attack. The case was presented to the Multnomah County District Attorney’s Office and ultimately a Grand Jury. The Grand Jury returned a true bill of indictment against Koko M. Miller, 56, of Portland on the following charges: Criminally Negligent Homicide, Maintaining a Dangerous Dog, and Criminal Mistreatment in the First Degree (two counts).

No further information will be provided at this time.

###PPB###

***Original Messages Below***

The Portland Police Bureau has learned that the two dogs directly involved in Tuesday's attack have been euthanized. Multnomah County Animal Services is holding a third dog that was in the home at the time of the attack pending further investigation.

Anyone with information about the case is urged to contact Det. Jennifer Musser at Jennifer.Musser@police.portlandoregon.gov and reference case number 23-314252.

###PPB###

***Original Message Below***

On December 5, 2023, at 7:38 a.m., officers were dispatched to reports of a dog attack at a home in the 1800 block of Northeast 112th Avenue in the Parkrose Heights Neighborhood. Officers determined that a pair of dogs mauled a six-year-old boy and an adult female who tried to stop the attack. The boy was pronounced dead at the scene. The woman was transported to a local hospital with minor injuries. Upon further investigation, officers determined the woman injured is the owner of the dogs and the little boy killed is her friend’s grandson. The dogs, believed to be Great Dane-Mastiff mixes, are in the custody of Multnomah County Animal Services.

PPB’s Child Abuse Team and Homicide Unit are investigating. Anyone with information about the case is urged to contact Det. Jennifer Musser at Jennifer.Musser@police.portlandoregon.gov and reference case number 23-314252.

###PPB###