A 30-year-old cold case is being reopened in hopes new technology and information could lead police to an abducted teen girl. 

A press conference was held at the Hamilton County District Attorney's Office Thursday.

The family of Tonetta Carlisle were there.

She was 15-years-old the day she disappeared in 1989. 

She was walking home from school when an eyewitness described seeing multiple people force her into a car. 

The license plate number led police to Jeffery Jones, a convicted rapist. 

He was found dead of suicide two days later. 

But her family never stopped hoping Tonetta would be found. 

Now, 30 years later, District Attorney Neal Pinkson directed his cold case unit to re-open the case, calling it "solvable."

"We think there is somebody in the community, in this city, in this country that knows a great deal about what happened to her or even maybe just a part of the puzzle that can help us complete everything," Pinkson said.

Detectives say new technology will help like fingerprint tools and the dental records have improved over the years. 

Tonetta's mother, Nonie Sturdivant, pleads for the community's help. 

Now, she warns other parents of the dangers of letting their child walk alone. 

"Make sure your children get on the bus, make sure you know what they have on, when they leave the house and make sure they walk in a group," Sturdivant said. 

Investigations ask anyone with information about Jeffery Jones or the disappearance of Tonetta Carlisle to call the Cold Case hotline at 423-209-7470.

Tonetta's family plans to release balloons in Coolidge Park on Saturday at noon to mark Tonetta's 46th birthday.