The Gwinnett County District Attorney's Office has a current Criminal Investigation staff of 25 investigators. These investigators are dedicated law enforcement professionals with a variety of experience and training. An investigator's duties include reviewing cases received from local, state and federal law enforcement agencies; completing investigative reports; locating and interviewing victims and witnesses; serving legal documents such as subpoenas; locating and transporting physical evidence for trial; testifying in court proceedings as well as investigating complaints received directly by the District Attorney's Office.
Investigators are on call and available to assist other law enforcement officers in the field with criminal investigations including homicide, white collar and drug related crimes. Several investigators are assigned to work with Assistant District Attorneys involved in juvenile court prosecutions.