A 20-year-old serving a 15-year sentence for killing his grandmother should learn Friday how much time will be added to his sentence for brewing alcohol while in jail.

Logan Mott was back in Duval County Court on Thursday for a sentencing hearing after he pleaded guilty to brewing alcohol while in jail.

A Neptune Beach teen who was sentenced for killing his grandmother during a drunken rage and then burying her body in his father’s yard was arrested late last year after a cell check turned up bottles of alcohol described as “hooch.”

Two years after Logan Mott was born, Eric and Carrie Mott filed for divorce. Logan Mott's father got residential custody, and Carrie Mott saw her son during summers and holidays in Missouri. Mott said during the last call she had with Logan Mott before the shooting, he was laughing with his grandmother. Barbara Delifus, who was Logan Mott's middle school nurse when he attended Fletcher Middle School, also took the stand Friday. WATCH: Logan Mott's middle school nurse takes the standIn addition to helping Mott manage his diabetes, Delifus said, she and the 17-year-old developed a friendship.

JACKSONVILLE, Fla. - The mother of Logan Mott went before a court Friday during a sentencing hearing for her 17-year-old son, who admitted to killing his grandmother and burying her body in a shallow... Copyright 2019 by WJXT News4Jax - All rights reserved.

VIDEO: Logan Mott's middle school nurse, a woman who spent a lot of time with Logan, took the standCopyright 2019 by WJXT News4Jax - All rights reserved.

Logan Mott was 15 years old when he was charged with second-degree murder in the 2017 death of his grandmother, Kristina French. "He said that was the end of his life," Beyer said. In the fall of 2017, Beyer said, a breakup and public humiliation through social media affected Mott more than those close to him realized. "What happened with his first love precipitated, with Logan, a very rapid decline in his mental health," Beyer said. News4Jax was told Mott's mother will be in the courtroom on Friday.

Logan Mott was 15 years old when he was charged with second-degree murder in the November 2017 death of his grandmother, Kristina French. Border Patrol Officer: Where? Border Patrol Officer: Where? Border Patrol Officer: Keep your hands right there, if you move your hands theres going to be an issue. Under the terms of his plea, Logan Mott can serve his sentence in a juvenile facility until he's 21.

VIDEO: Logan Mott was 15 years old when he was charged with second-degree murder in the November 2017 death of his grandmother, Kristina French. Copyright 2019 by WJXT News4Jax - All rights reserved.

Nearly two years after his disappearance and later arrest rocked the quiet community of Neptune beach, 17-year-old Logan Mott has pleaded guilty to murdering his grandmother.

NEPTUNE BEACH, Fla. – A Neptune Beach teenager called a person of interest in his grandmother's death was taken into custody Friday night at the Canadian border, Jacksonville police announced. Logan Mott, 15, was detained by U.S. Customs and Border Protection agents after trying to enter Canada from near Buffalo, New York, according to the Sheriff's Office. At the time of his capture, Mott was wanted on suspicion of auto theft for taking his French's car. Logan Mott you are good and kind and extraordinary, and we all miss you so much. "Was Logan Mott by himself?