But Sgt. David Turno, of the Aiken Department of Public Safety, said Wednesday that the results could take months and a match is not likely.

"He is no more a suspect than the numbers of people we've already interviewed and DNA-sampled," Sgt. Turno said.

None of the people tested so far have been a positive match in the 17-year-old's death, including one named by a jail informant.

Mr. Evonitz killed himself June 27 when confronted by authorities in Florida. He was being sought in the kidnapping and rape of a 15-year-old Lexington County girl.

Evidence found in his apartment also appears to link him to three slain girls in Spotsylvania County, Va., authorities have said.

Police say before his death, Mr. Evonitz called one of his sisters and confessed to killing someone without giving details. He told her he couldn't remember all of the violent crimes he committed.

But police in Aiken and Columbia say the Carpenter case doesn't appear to be a match.

"None of the things he has done seem to fit your case in Aiken," said Richland County Sheriff Leon Lott. "I would say they are totally different."

According to reports, all the slayings involve death by asphyxiation, and all the girls were in their teens except for one, who was 12.

That appears to be where the similarities end. Mr. Evonitz abducted victims from near their homes and kept notes on them, including newspaper clippings, police said.

Ms. Carpenter was raped and strangled in her home. Sheriff Lott said no information related to her case has been found in Mr. Evonitz's apartment.

Authorities said Mr. Evonitz had no known connections to Aiken, although his close proximity and a sister in Florida could have meant he had traveled through the area.

In attempting to find Ms. Carpenter's killer, Aiken police released two sketches of people they want to interview. One is that of a young man seen loitering at a convenience store near the Carpenter home. The other is that of a man, apparently Hispanic, who was seen talking with Ms. Carpenter on the USC Aiken campus before her death.

Reach Eric Williamson at (803) 279-6895 or eric.williamson@augustachronicle.com.