Oregon -- Police in West Linn said this week they found a hidden video camera last week inside a women's bathroom at a Starbucks shop.

A woman customer at the coffee shop at 22750 Salamo Rd. found the camera inside a toilet paper roll last Friday. She gave it to store workers, who called police.

Investigators said it was a small "pin hole" type camera with a built-in wireless transmitter and battery. The tiny camera was no wider than a quarter.

Sgt. Neil Hennelly said police have no suspects yet. But Hennelly reminded the public to be careful about restrooms and not to pick up suspicious items -- instead tell store managers and have them report it to police.