There was nothing for an electronic sweep to find.

Since she had the extra men, she ordered security to do a patrol around the grounds, with electronic sweep.

And, unlike in the movies, an electronic sweep isn't something that can be done in a couple of hours.

The store specializes in electronic "sweeps" - devices that detect wiretaps and bugs in businesses and homes.

Herbert glanced out the windows while Stoll did a quick electronic sweep to make sure the room hadn't been bugged.

A quick electronic sweep had revealed no bugs.

Rico's visual and electronic sweep of the area detected no signs of security on the pier itself.

If unauthorized people get into a building to plant devices, he said, it is no longer clear that the bugs can be detected in an electronic sweep.

She carried the miserable meal with her into the second-floor conference room where McNab was heading the electronic sweep.

Mr Michael had been asked to arrange electronic sweeps of all office communication equipment in the interests of personal security.