A 14-year-old Illinois girl stabbed her 11-year-old sister 40 times because she felt unappreciated, reports CNN.
According to reports, police found the 11-year-old girl unconscious in the upstairs bedroom of her family’s home.
The older sister stabbed the 11-year-old with a kitchen knife.
CNN is reporting:
Police received a 911 call about the incident at 8:30 a.m Tuesday. The call came from the 14-year-old girl, said Mundelein Police Chief Eric Guenther.
The teen told emergency dispatchers that an intruder had barged into the home, attacked her sister and then fled, CNN affiliate WLS reported.
Schools in area were immediately placed on lockdown, Guenther said.
“The area-wide school lockdown lasted only 15 minutes,” he said.
But the teen’s story unraveled quickly. Under police questioning, she admitted to the attack, authorities said.
The teen told police she was mad that her sister didn’t appreciate all she did for her, prosecutors said at the suspect’s detention hearing Wednesday. WLS was at the hearing.
The teen said she cooked dinner for her younger sibling and performed other chores. She was also angry that the 11-year-old girl had recently hit her.
The night before the attack, the teen thought about it for about 10 or 15 minutes, then went downstairs and grabbed a knife, according to prosecutors.
After the stabbing, she took a shower to wash off the blood, called police and made up the story about the intruder, prosecutors said.
The teenager was arrested and charged with murder.