Cases of police corruption associated with drug trafficking either by law enforcement officers or through the assistance of police appear to be increasing. In addition, some police officers use illegal drugs simply as a "recreational" activity and for social reasons although the extent of on-duty drug use is unknown. Marijuana is the most commonly used illegal drug. Agency programs to address police officer drug abuse must have a disciplinary element, but the program should have a preventive emphasis and should include comprehensive directives on drug testing, discipline, treatment, training, and drug education. Police agencies must also avoid organizational denial of the problem and take a proactive approach. Notes, 30 references, and 5 study questions