Mundelein girl, 14, pleads not guilty in murder of sister, 11

January 31, 2014 (MUNDELEIN, Ill.)

Surrounded by her family in juvenile court, the 14-year-old girl wiped tears from her eyes as she entered a plea of not guilty to first-degree murder charges.

"We're just sad right now. No comment," the girl's grandfather said as he left the arraignment Friday.

The 14-year old allegedly admitted to killing her sister on January 21, 2014, because the 11-year-old was "ungrateful." Prosecutors allege she tried to cover up the scene by showering and told police she'd seen a stranger in the home.

The girls attorney is hoping to retain a psychologist for an evaluation before trial.

The girl is currently charged as a juvenile, but that could change depending on the prosecuting attorney. Neither her name nor that of her 11-year-old sister was released via court order.

Her next court appearance is scheduled for February.

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