The bones were originally sent to the South Carolina Law Enforcement Division labs, however, because of their age and condition DNA could not be extracted or tested. The bones were then forwarded to the University of North Texas Health Science Center at Fort Worth, the coroner said.
There, mitochondrial DNA was extracted and compared to a sample from a mother who had reported her son missing in 1999. There was a positive match to Mr. Gustafson.
This case is under investigation by the North Augusta Department of Public Safety and the Aiken County Coroner's Office. Cause and manner of death are pending investigation, the coroner said in a news release.