Teen Gets 40 Years For Killing 4-Year-Old Half SisterA teenager from Mokena who admitted to slitting the throat of his 4-year-old half sister was sentenced to 40 years in prison on Thursday.
Mokena Teen Admits Killing 4-Year-Old SisterA southwest suburban Mokena teen pleaded guilty to first-degree murder Thursday in the killing of his 4-year-old half sister.

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