Arizona mother sentenced to life in prison for murder and abuse of 6-year-old son

The Arizona mother pleaded guilty to murder and child abuse charges in the starvation death of her son.
The 6-year-old boy was kept in a closet and denied food, leading to his death from severe malnutrition.
The boy weighed just 18 pounds at the time of his death.
The father and grandmother have also been charged in the case but have pleaded not guilty.
The mother reached a plea deal and is ineligible for probation or parole with the life sentence.