ITEM SUBSTITUTION FRAUD DETECTION

Various embodiments herein each include at least one of systems, methods, software, and devices, such as product scanners e.g., barcode scanners) enabled to detect item substitution fraud during a checkout process at facilities, such as retail outlets. One method embodiment that may be performed in part on a product scanner, includes detecting, on a point-of-sale (POS) terminal, an event occurrence associated with at least one validation process. The method may then receive an image from each of at least one camera of a plurality of cameras of the product scanner. The method further includes processing at least one of the received images according to the at least one validation process to obtain a result and providing the result to the POS terminal.