How do shoplifting detectors work?

Shoplifting is detected by visual observation either on the floor by an employee or Loss Prevention Detective. In addition, stores use CCTV to observe and identify shoplifters. Also, a store my have a door greeter than monitors product as it leaves the store to insure it is paid for. read more

Photo: An example of the kind of RFID tag used in book labels. It helps with automated stock control and (in some systems) might double-up as an anti-theft device. read more

The detectors only reflect the metal that is on the tags on the merchandise,which the cashier takes off or de-activates at the register. If you are told to lift up the bag,it's just so the security person sees that you have nothing else you didn't pay for. read more