Patrol Bureau The Patrol Bureau is responsible for the policing the Town of Exeter and all state highways, the investigation of crashes and incidents on those highways, and the conduct of inspection and enforcement programs essential to the safety of citizens on those highways. Additionally, Patrol Bureau Troopers perform all functions associated with the statewide enforcement of laws, the prevention of crime, the pursuit and apprehension of offenders, and the gathering of legal evidence to ensure conviction of such offenders. Additionally, the Canine Unit, Collision Reconstruction Unit, Commercial Enforcement Unit, Honor Guard Unit, Hostage-Crisis Negotiation Team, Marine Unit/Dive Team, Motorcycle Unit, Night Executive Officers, Operations Officer, and Tactical Team all fall under the Patrol Bureau.