• Prepares case files for prosecution.
• Attends preliminary hearings on all felony cases.
• Obtains police reports and transcripts; obtains investigators' observations; obtains crime lab reports, photos, and evidence; runs criminal background checks; obtains medical records.
• Prepares discovery information for defense counsel.
• Interviews victims and witnesses.
• Prepares for motion hearings.
• Transports evidence to crime labs.
• Testifies before the Grand Jury.
• Prepares cases for trial; verifies that subpoenas have been served to all witnesses; obtains all evidence needed for the case while observing chain of custody procedures; interviews and reviews the case file with witnesses; obtains certified court records; makes documents for court presentation including maps or photos.
• Oversees the maintenance of an assigned vehicle.
• Assists in the administration of department files.
• Performs other related duties as assigned.

• Knowledge of the Rules of Evidence and of the Georgia Criminal Code. 
• Knowledge of the practices and procedures of criminal investigation. 
• Knowledge of local, state, and federal laws. 
• Skill in criminal investigation procedures. 
• Skill in the use of assigned firearms. 
• Skill in negotiation and persuasion. 
• Skill in using basic office equipment and computerized research resources. 
• Skill in public and interpersonal relations. 
• Skill in oral and written communication.
• Ability to operate a motor vehicle.

Knowledge and level of competency commonly associated with the completion of specialized training in the occupational field, in addition to basic skills typically associated with a high school education. Sufficient experience to understand the basic principles relevant to the major duties of the position, usually associated with the completion of an apprenticeship/internship or having had a similar position for one to two years. Possession of or ability to readily obtain a valid driver's license issued by the State of Georgia for the type of vehicle or equipment operated.

The work is typically performed while sitting at a desk or table. The employee must occasionally lift light objects.

• Balancing – maintain equilibrium to prevent falling while walking, standing, or crouching.
• Feeling – perceiving attributes of objects by touch with skin, fingertips.
• Grasping – applying pressure to object with fingers, palm.
• Handling – picking, holding, or working with whole hand.
• Hearing 1 – perceiving sounds at normal speaking levels, receive information.
• Kneeling – bending legs at knee to come to rest at knees.
• Lifting – raising objects from lower to higher position, moving objects side to side, using upper extremities, back.
• Manual Dexterity – picking, pinching, typing, working with fingers rather than hand.
• Mental Acuity – ability to make rational decisions through sound logic, deductive reasoning.
• Pulling - use upper extremities to exert force, haul or tug.
• Pushing – use upper extremities to press against objects with force, or thrust forward, downward, outward.
• Reaching – extending hands or arms in any direction.
• Repetitive Motion – substantial movements of wrists, hands, fingers.
• Speaking – expressing ideas with spoken word, convey detailed, important instructions accurately, concisely.
• Standing – for sustained periods of time.
• Stooping – bending body downward, forward at waist, with full motion of lower extremities and back.
• Talking 1- expressing ideas by spoken word
• Visual Acuity 1 - prepare, analyze data, transcribing, computer terminal, extensive reading.
• Visual Acuity 4 - operate motor vehicles/heavy equipment.
• Walking - on foot to accomplish tasks, long distances, or site to site.

The work is typically performed in an office.