A dog will alert to a ham sandwich.
They all do.
These are not “law enforcement” officers. They are pirates and highwaymen. Volusia County in Florida will collapse economically if Florida ends Asset Forfeiture.
Drug sniffing dogs are trained to sniff out a specific terpene that occurs in cannabis.
The thing is, it is present in many other foods and plants too.
I believe drug sniffing dogs at traffic stops should be illegal. A random guess has the same or better probability of being correct.