The girl will be incarcerated in a Texas Juvenile Justice Department facility, according to Judge Alex Kim, who presided over the case, the Star-Telegram reported. On or before her 19th birthday, the court will determine whether to transfer her to an adult prison, the newspaper reported.

Lightfoot's mother, Anntoinette Carter, addressed the defendant during her sentencing Friday, WFAA reported.

“(Nylah) treated you like a sister that she did not have,” Carter said. “You took my child, my only girl, leaving me with a hole in my heart.”