But the question is, just how prevalent are hidden cameras?

The Eskimos or whatever they were probably had hidden cameras.

As the studios were compact it was not possible to hide cameras.

The paper which made the original allegation then confirmed there had been no camera hidden in the room.

He photographed Eichmann using a camera hidden in a bag.

Did Sensitive Ted have a camera hidden in his office?

He took his portraits from a camera hidden in his coat.

If you like to work in places where they have hidden cameras, you're in the wrong place.

How could he guess there were hidden cameras even in the restrooms.

There were two cameras hidden 201* in Newman's office.