MANCHESTER, N.H. —

A Massachusetts man accused of sexually assaulting a minor in New Hampshire appeared before a judge on Friday.

Eric Isaac, 47, of Hillsdale, New York, was arrested on Thursday.

According to court documents, Isaac spent a weekend with the victim's family in New Hampshire earlier this month, when the alleged assault happened.

In court paperwork, detectives say they confirmed Isaac began working for Hillcrest Educational Centers, Inc., in January and later became a teacher in July. Prosecutors said he used his position there to prey on the victim and potentially others.

"When the school found out about this, they looked further into it and found out that he was looking up other girls on the personnel files at work. He shouldn't be looking up these girls because he has

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