Dunst's assistant performed a citizen's arrest on a man who bypassed security and showed up at the actress' Hollywood home in November. Dunst was not home at the time.
Police and Dunst sought a restraining order against Christopher Smith after his Nov. 20 arrest. Documents show state police have found Smith at Dunst's home several times in recent weeks.
The actress wrote she is "quite frightened" of Smith, whom she has never met.
Records do not indicate whether Smith has an attorney. He is due in court later this month on a trespassing charge. Dunst's restraining order could be made extended on Dec. 22.
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