(Willamina, OR) -- Yamhill County detectives are concerned there might be more victims of a man who's accused of rape. Cory Ryan Williams and a woman offered the victim a ride on a rural road near Willamina [[ will-uh-MINE'-uh ]]. The victim says she was taken to the Nestucca River Recreation Forest, where she was sexually and physically assaulted, away from the other woman in the car. Williams was arrested Wednesday. Anyone with information on other potential victims is asked to contact the Yamhill County Special Investigations Unit.