NAPA (CBS SF) — A Napa High School soccer coach is in custody after he allegedly propositioned one of his female players.

The 16-year-old student called Napa police on Saturday, saying that her junior varsity coach, Julian Vargas, had been asking her to sleep with him for the past week, even texting a picture of his penis to her this weekend.

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Police secured a search warrant and paid a visit to Vargas’ home in St. Helena shortly after midnight.

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Vargas was booked on a variety of charges, including “contacting a minor with the intent to commit a felony.”

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Investigators believe that there may be other victims and are asking anyone with relevant information to call the Napa police department.