They are shocked USA watch the trial of the brutal murder of a 40-year-old woman by her 14-year-old daughter in Mississippi.

The 14-year-old who killed her mother by shooting her in the face is also charged with attempted murder and tampering with evidence and faces life in prison.

CCTV footage from the family’s home shows her walking nonchalantly before and after the murder and even sitting completely relaxed on a kitchen stool texting on her mobile phone shortly after taking her mother’s life. .

Shocking footage of the 14-year-old casually wandering around the house was played in court during her trial.

Her lawyers will follow the defense line that the minor suffers from a mental disorder.

Prosecutors allege 14-year-old Gregg then used her mother’s phone to text her stepfather in an attempt to lure him home