The owner of Arrowhead Acupuncture, Thomas Flach, was arrested and charged with Sexual Battery by a Medical Professional according to the San Bernardino County Sheriff's Department.
A 51-year-old woman, whose identity was not released, reported unwanted sexual contact during a medical procedure at the Lake Arrowhead business.
According to the department, Flach offered to provide "sexual relief" to the victim during an acupuncture treatment.
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After the woman reported the assault on Monday, detectives investigated and "corroborated" the victim's account on Tuesday before arresting Flach. The man has since posted $50,000 bail, but detectives believe there may be additional victims who were sexually assaulted by Flach.