A $10,000 reward is being offered by the U.S. Marshals Service for information pertaining to the burning death of Jessica Chambers, a teen from Mississippi, as her family makes arrangements for her funeral. ABC News reported on Friday.

"They're very, very devastated by the loss," Panola County District Attorney John Champion told said of Jessica's parents.

Chambers died of her injuries after arriving at a hospital, where doctors found that 98 percent of her body had been charred. Police are searching for the attacker, who likely lit the 19-year-old on fire.

According to Champion, a suspect hasn't been identified, but people are being questioned.

"What we're pursing at this point is something that somebody might say to somebody else that gets back to us. Something that somebody already knows, something that somebody saw that just didn't register 'til they go back to start thinking about it ... and, we're looking for that," Champion said. "We're still going through records and looking at different things. It's just a pounding-the-pavement investigation."

Now police are poring over her cell phone records to find out who she was with at the time of her death. She was last seen alive at 6:30 p.m. on Saturday at a convenience store gas station on surveillance footage, according to NBC News. In the footage, Chambers goes to talk to someone off-camera, but eventually goes back to her car and drives off.

A Facebook page called Justice for Jessica has been set up by her family to help find her killer.

Her burned car was found 90 minutes after Chambers was found on fire walking down the road. Lighter fluid was allegedly poured down her throat before she was knocked unconscious and lit on fire, her family said.