Abstract: A method of detecting designated products from a number of sources includes the step of applying (12) a unique code to each one of a plurality of products at a first location (14). The method also includes determining which of the plurality of products become designated. The method further includes the steps of recording the codes of the designated products, reading (26) the codes of products distributed at a second location (16) and comparing (28) the read codes with the recorded codes to determine if any of the distributed products are designated products. The invention also includes a system for detecting designated products.