The global market for home security cameras is booming. From doorbell cams that show package deliveries to nursery monitors that track an infant’s breathing, these devices offer unprecedented peace of mind. However, as cameras become cheaper, smarter, and more numerous, they also raise a critical question:

Check for tiny "pinhole" openings in walls, vents, or ceiling tiles.

In various documented cases, hidden recording devices have been found in the restrooms of fast-food chains: Employee Misconduct : In one notable instance, a staff member at a McDonald's