Quinten Douglas Wood , 15 , died on January 4 . A report lists his cause of death as acute pneumonia ; the manner of death was ruled natural . The case has been investigated by a coroner and an independent medical examiner who have both concluded that he committed suicide in prison. DHS and the Oklahoma City Police Department are investigating Quinten 's death .
Quinten Douglas Wood , 15 , died on January 4 . A report lists his cause of death as acute pneumonia ; the manner of death was ruled natural . Despite the report , the boy 's sister says she has questions , and she 's not alone . DHS and the Oklahoma City Police Department are investigating Quinten 's death .