Jessica's mother, Lisa Chambers, said her daughter called home Saturday evening to tell her she was going to "get a bite to eat."
The next time Lisa Chambers saw her daughter, she said, was in the hospital.
“[She] said ‘Bye, I love you, Mama. See you in a little while.’ Next time I seen her, she was in the Med,” Lisa Chambers said.
Article dated 10th Dec http://www.local8now.com/home/headlines/Authorities-searching-for-whoever-set-Mississippi-girl-on-fire-285160651.html
WREG met with Lisa Chambers, Jessica’s mother, Monday at a funeral home, after she finalized plans for her daughter’s burial.
Chambers said her daughter lived with her, and Jessica planned to go get her car cleaned Saturday evening. She spoke with her daughter on the phone around 6:48 p.m., and Jessica said she was going to get a bite to eat
Article dated 8th Dec http://wreg.com/2014/12/08/search-is-on-for-killer-who-lit-panola-county-teenager-on-fire/
If I may add to that, the mom states that she called at 6:48 and that she spoke to Jessica "for about 20 minutes."