FRANKLIN TWP. — A Plainfield man has been accused of raping a 14-year-old girl in the summer of 2010 when he was worked as a security guard at the Franklin Township Middle School, according to an affidavit filed today in Superior Court.

Jason Belin, 33, allegedly assaulted the girl in his pickup truck after an event at the school, the affidavit states. The girl, now 17, reported the incident to police on Tuesday, authorities said.

The girl said she spoke with Belin at the school event, when he was working security, the affidavit states. While returning home from the event, the girl said, she saw a pickup truck parked in the street with its flashing lights on, the affidavit states.

Belin, who was in the vehicle, asked her to get in and she did, police said. Belin then took the girl to “a secluded dark area” in Franklin and assaulted her, according to the affidavit.

Belin has admitted to police that he was working security at the event, and had intercourse with the girl "while parked in a dark area" in Franklin, the affidavit states. Belin admitted to knowing the girl from the middle school, the affidavit states.

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Belin was arrested Wednesday night and charged with sexual assault and endangering the welfare of a child. He is being held at the Somerset County Jail in lieu on $75,000 bail.

School officials did not respond today to messages seeking comment.

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