Was she the same coroner the investigator in Stephen Smith's case argued with over her determination of his death being a hit and run?
No.
According to this report by an officer on the scene at 0625 hrs Coroner Ernie Washington told the officer it was a homicide and showed the officer the gunshot wound. Assistant Coroner Kelly Greene showed the officer photographs and pointed to the entry point to the head.
At 1615hrs the officer was advised by the Sheriff that an autopsy had been conducted as MUSC and the determination was Hit & Run. MUSC Dr. Erin Presnell conducted the autopsy and is the person Investigator Proctor had a disagreement with.
https://s3.documentcloud.org/documents/20971438/stephen-smith-investigator-summary-documents.pdf