LP - Loss Prevention
AP - Asset Protection
S3 Handkey - S3 handkey used for removing security tags
PTZ Camera - Pan-tilt-zoom camera. A very high quality camera that can pan, tilt and zoom (as the name describes).
ORC - Organized Retail Crime
Internal theft - Theft committed by the employee against their own business.
EAS - Electronic Article Security. Typically 2 tall towers that set off all alarms (besides ink tags).
Magnet Detecting Towers - Towers that can detect if you have a magnet or S3 Handkey. These are extremely uncommon, but easily identifiable. They are typically clear and look futuristic (picture), and are dangerous for a shoplifter. These send invisible signals to employees that tell them to watch over you as you have a device that can be used to shoplift.
Plainclothes - LP and Security employees dressed as a regular person
No-chase policy - A policy set into place by a store stating you cannot chase a shoplifter. Most stores with this policy will at least call the cops.
Shrinkage - Inventory loss caused by shoplifting, internal theft, ORC, or wastage.
See w/shopliftingtags for a full list of tags and how to remove them.
Source tag - An item that has tags attached during manufacturing inside the box.
Golf Detacher - A magnet used and designed to detach security tags. Very strong. Golf detachers come in different ratings, coming in 12000 gs, 15000 gs and 16000 gs, 16000 being the strongest. Be careful not to get these too close to cards.
Booster Bag - A typical bag lined with material, typically foil, to block RFID signals to bypass security tags to prevent setting off an alarm. In most states, having a booster bag immediately warrants the shoplifter for possession of shoplifting gear, which is a felony.