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PLAINFIELD TOWNSHIP, Ill.  — Will County officials say a man who is developmentally disabled wore a monster mask and played horror movie music when he stabbed a caretaker at a Plainfield Township group home more than 30 times.

Will County Sheriff’s Office Deputy Chief Dan Jungles tells The (Joliet) Herald-News 24-year-old Ederaldo Frantz allegedly was upset with the caretaker — who worked at the group home in the 23500 block of West Fern Street — because she took away his cellphone when he was caught texting women. He was forbidden from doing so because of past harassment.

Jungles says when the caretaker seized the phone Frantz went to his room, put on a mask Jungles described as “demonic” and started playing music from “Halloween” on his iPod. Jungles says Frantz then grabbed a large butcher knife and stabbed the caretaker.

The caretaker was hospitalized with deep puncture wounds.

Frantz is charged with attempted murder and is held on $500,000 bond. His attorney didn’t immediately respond to an email seeking comment.