The Hunterdon County Prosecutor's Office investigative unit is overseen by the Chief of Detectives. The investigative units are staffed with sworn detectives; detectives are sworn law enforcement officers and hold police powers in criminal matters. Detectives investigate criminal matters, assist local law enforcement, and assist the Assistant Prosecutors.
The investigative unit is divided into three divisions: Criminal Investigative Division, Investigative Services Division, and Special Operations and Training Unit