The general public often thinks that cities with “drug problems” are those that are infested with illicit drugs such as heroin, cocaine, marijuana, and methamphetamine. In some other cases, a city’s drug problem may involve the illegal sale of legal drugs such as pain medication. In this situation, the legal drug is dispensed to a person with a prescription who then turns around and sells it to people who do not have a prescription, which makes the transaction illegal. There is another dangerous class of illegal drugs on the market: counterfeit drugs. There are a variety of ways that counterfeit drugs have been defined. These definitions often vary by country and impact the type of law enforcement response from that country. Counterfeit drugs are generally ...