The canine unit was reactivated in 2004 and is currently comprised of Officer Michael Polston and his canine "Mattis." Mattis is a 2-year old male German Shepard who was imported from the Czech Republic. Officer Polston and canine Mattis graduated from the Rhode Island K9 Academy in 2018. They attend monthly in-service training with the Massachusetts State Police. Canine Mattis is trained in narcotics detection, criminal apprehension, missing and wanted person searches, article searches, building searches, and handler protection. Officer Polston and Mattis are certified by the American Police Canine Association and New England State Police Certfication and Standards. 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.