The results of an independent autopsy have not been made public.
The conclusion has been criticized, however, and the suspect's family hired another medical examiner to perform an independent autopsy.
Two months after Ramirez died, her badly decomposed body was released for an independent autopsy and burial.
But nothing, it seems, will stop people from standing in front of television cameras and calling for an independent autopsy.
"I submit to you that the independent autopsy is the one done by the medical examiner."
The Government is reported to have "refused to deliver his body to his family or to allow an independent autopsy."
They received permission to exhume the body, and had an independent autopsy conducted.
He said he has also requested an independent autopsy.
But the investigation remains open largely at the insistence of relatives, who have already paid for an independent autopsy and are consulting private investigators.
An independent autopsy is under way in Nigeria.