Stepmother admits murdering boy, 4, after child witness's testimony on fourth day of trial

The child's father was previously jailed for endangerment, neglect and impeding the apprehension or prosecution of the stepmother, knowing or believing she had murdered his son

The defendant will face the mandatory sentence of life imprisonment on December 1 for murder. File photo

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A stepmother who left her four-year-old stepson with injuries that would typically be associated with car crashes or serious assaults has pleaded guilty to the child's murder on the fourth day of her trial.