The canine unit was reactivated in 2004 and is currently comprised of Officer Michael Polston and his canine "Klaus." Klaus is a 5-year old male German Shepard who was imported from the Netherlands. Officer Polston and canine Klaus graduated from the Massachusetts State Police Canine Academy in 2011. They attend monthly in-service training with the Massachusetts State Police. Canine Klaus is trained in narcotics detection, criminal apprehension, missing and wanted person searches, article searches, building searches, and handler protection. Since 2004, the canine unit has been very successful in locating suspects and drugs, including numerous seizures of money, vehicles, and other profits of drug distribution.