09:00 PM CDT on Saturday, June 3, 2006

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(AP/KMOV) -- The Sherriff's department in Pickens County South Carolina received 120 calls since releasing pictures of a murder suspect.

Police believe the pictures show the person who murdered Tiffany Souers - a 20-year-old junior civil engineering major at Clemson. Souers was found lying on her bedroom floor in her off-campus apartment just a few miles from the heart of the university last week.

KMOV

Surveillance photo of the suspect

Police in South Carolina released photos of a suspect Friday.

Prosecutor Bob Ariail said the man, who had covered most of his face with bandannas, tried unsuccessfully to use Tiffany Marie Souers' card six times at two bank cash machines.

The suspect's face is covered by a bandana with a cross on it.

Investigators admit the photo is of poor quality but say they spent the day trying to enhance it.

The suspect was last seen in a 1982-1994 two-door Chevy or GMC SUV.

Ariail said the crime was sexually motivated, but he said tests so far have not indicated Souers was sexually assaulted. He said more tests were being done.

Ariail urged residents to be aware of any man exhibiting "any inappropriate or aggressive sexual advances."

KMOV

Survelliance photo of the suspect

Also Friday, Souers' driver's license was found on the side of the road about six miles from Clemson.

The owner of a towing business near Pendleton said he called authorities around 10 Friday morning when James Lindsey of Pendleton came in with a driver's license he had found on the side of the road.

"He wanted me to turn the license in," Dan Baker said. "He was scared."

Baker turned in the license as well as a small bag Lindsey found farther down U.S. Highway 76 just inside Anderson County, Baker said.

A reporter saw authorities photographing and bagging a cell phone found in the ditch about five yards from the road, The Anderson Independent-Mail reported on its Web site Friday.

Ariail, who has been the official spokesman for the case, would not comment on the license or any other possible evidence.

KMOV

Survelliance photo of suspect

"Hopefully someone will recognize an individual who has that type of headdress or bandanna, who drives a vehicle of this type, who is exhibiting the behavior profile," Ariail said.

That psychological profile suggests the man would begin to withdraw from friends and family and man change his habits, Ariail said.

A dedicated phone line was set up for tips.

Authorities have said there was no sign of forced entry at Souers' apartment. Ariail would not say if the suspect was also a Clemson student.

KMOV

Tiffany Marie Souers

On Thursday, hundreds of mourners gathered in Souers' hometown in Missouri for her funeral.

"She was just an extraordinary child. She loved life," family friend Delia Garcia said. "She could have done anything she set her mind to. The world was at her feet."