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CONCORD, N.H. (CNN) – A New Hampshire woman says she was sexually assaulted by a hypnotist who thought she was in a trance.

On Tuesday, 59-year-old Thomas Goodness turned himself into Concord police.

The ‘hobby hypnotist’ is charged with three counts of sexual assault, based on what a victim says happened on his property in August during a hypnosis session.

Lt. Timothy O’Malley, with the Concord Police Department, said, “She proceeded with him to a camper where he conducts the sessions, and during the course of that session, the victim alleges that the suspect put his hands on her in a sexual manner.”

The victim is said to be a member of his extended family who has known him for years.

Police say Goodness thought she as in a trance but the woman knew what was going on.

However, she says she was too afraid to try and stop him.

Lt. O’Malley said, “Apparently she had consulted with him in the past, her and her spouse had consulted with him, and they’d had a degree of success with him. So, she had had a relapse with her particular issues, so she consulted with this particular hypnotist again.”

Police got a search warrant for Goodness’ home and recovered evidence.

However, investigators are not providing any details into what kind of evidence was collected.

Authorities are concerned that other clients may have been victimized.

O’Malley said, “We just know he has had clients and we certainly are concerned that there could be other possible victims. That’s part of the reason we are releasing this.”

Goodness is free on a $6,000 bail and is set to appear in court next month.