By CBS3 Staff

KING OF PRUSSIA, Pa. (CBS) — A Delaware man has been charged with using hidden pen cameras to spy on victims in dressing rooms at the King of Prussia Mall. This is a picture of one of the pens.

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In total, two were found. Authorities say one was in the changing room at the Hollister store and the other was at Urban Outfitters.

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The suspect is 26-year-old Joseph Stevenson, of Smyrna, who is free on bail.

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Police say they have contacted all of the victims who Stevenson allegedly spied on.