Originally Posted by
mozgytog
Dogs that are trained to sniff for explosives do not find drugs or large amounts of money.
Indeed correct. That is what I meant when I stated they are trained by commodity i.e. the commodity being either drugs, or FX, or currency etc. Multi-scent is something different e.g. in the case of drugs having the ability to detect different classes of drugs which have a different scent. The scent of the constituents of Cocaine being different to that of Cannabis for e.g.