The majority of narcotics canines utilized by law enforcement have been trained as "4 odor dogs", meaning they have been trained to alert to the odor of methamphetamine, cocaine, heroin, and marijuana. The pending change authorizing the limited legalization of recreational marijuana has created a quandary for narcotics canine usage within the law enforcement community. This is the case with the narcotics dog belonging to the Newberg-Dundee Police Department.