The Mercer County District Attorney's office is investigating a death that happened in the Mercer County Jail last week. 

According to District Attorney Pete Acker, the cause of death of an inmate that happened on Wednesday, July 26 is under investigation. 

The county coroner did perform an autopsy, but results will not be available for several weeks. 

21 News learned of the inmate's death after a family member reached out to us.