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(770) 528-2541
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(770) 528-2535
(770) 528-2555
(770) 528-2550

Human Resources
Tony Hagler, Director
100 Cherokee St
Second Floor
Marietta, GA

Cobb County Human Resources



Under general supervision, performs investigations activities for pending criminal cases assigned under the authority of a prosecutorial agency of the County. Employees in this classification are responsible for the timely location, interviewing and case file preparation regarding defendants, victims and witnesses involved in the assigned criminal cases, including the execution of subpoenas and warrants as necessary. Work involves directly assisting prosecutorial staff in all aspects of case investigation in the field and presentation in the courtroom. Employees in this capacity may function as Terminal Agency Coordinator (TAC) and/or Local Area Security Officer.


The list of essential functions, as outlined herein, is intended to be representative of the tasks performed within this classification. It is not necessarily descriptive of any one position in the class. The omission of an essential function does not preclude management from assigning duties not listed herein if such functions are a logical assignment to the position.

Retrieves and assembles case information such as police reports, criminal histories, crime lab reports, medical records, photographs, private security reports, and any other evidence or information needed to assist in the prosecution of criminal cases.

Locates and interviews witnesses and victims in assigned criminal cases in order to obtain statements and evidence needed to prepare cases for prosecution.

Executes subpoenas to victims and witnesses in person, via departmental delivery or United States Postal Service; includes execution of subpoenas for the production of evidence in criminal cases.

Stores, secures and preserves the integrity and chain-of-custody of evidence for criminal cases in order to ensure availability and admittance in criminal court proceedings.

Investigates pending criminal cases and secures and executes any arrest and search warrants as needed from the follow-up investigation; ensures adherence to principles and requirements regarding discovery.

Assists prosecutor in the courtroom by recording dates defendants must return to show compliance with court orders, conducting records discrepancies checks, transporting evidence, transporting victims/witnesses and other duties as the situation dictates.

Testifies in court regarding the facts and evidence gathered in the course of investigating criminal cases.

Coordinates and assists with other law enforcement agencies, including State Patrol and the Sheriff’s Office for gathering all police reports, lab data and other follow-up data and information pertinent to the prosecution of assigned criminal cases.

Assists prosecutor in performing various case preparation tasks, e.g., conducting field sobriety tests, vehicle insurance validations, driver’s license validations, vehicle equipment operating tests, scheduling blood tests.

Observes and interviews defendants, witnesses and victims in the course of polygraph examinations by certified polygraphers.

Maintains current knowledge of criminal case law updates as provided by prosecutorial staff to ensure proper application of investigation techniques and strategies.

Maintains certifications in accordance with prescribed standards of the Georgia Peace Officers Standards & Training (POST) certification requirements.

Maintains attendance and punctuality within customary tolerances for this position.

Performs other related duties as assigned.


Personal Computer Standard Software Applications Specialized Applications
Standard Office Equipment Firearms / Restraint Devices Diagnostic Testing Kits
Audio / Visual Equipment Radio Dispatch Communications Vehicles


Associate degree in Criminal Justice or related field; supplemented by two years progressively knowledgeable experience in a law enforcement or criminal justice environment; additional experience in certified law enforcement may substitute for a portion of the educational requirement; or an equivalent combination of education, training and/or experience.

Valid Driver’s License.

Current State of Georgia Peace Officer Standards & Training (POST) certification.



Knowledge of criminal justice standards, initiatives and investigative principles, strategies and techniques as applied to criminal case preparation for prosecutorial purposes.

Knowledge of effective interview principles, strategies and techniques for eliciting facts regarding the case and case file preparation purposes.

Knowledge of criminal court processes, procedures, operations and requirements as applied to the presentation and prosecution of criminal cases.

Knowledge of Federal, State and local laws, ordinance and related regulatory standards applicable to the area of assignment.

Knowledge of intermediate level mathematical computations, including addition, subtraction, division, multiplication, decimals, ratios and percentages.

Ability to utilize personal computers, standard office equipment and standard software applications, e.g., word processors, database software, spreadsheet applications.

Ability to read and interpret a variety of instructions provided in written, oral, diagram, schematic or schedule form.

Ability to communicate professionally verbally and in writing.

Ability to organize work, establish priorities, meet established deadlines, and follow up on assignments with a minimum of direction.


While performing the essential functions of this job, the incumbent is occasionally required to lift, move or carry objects from 50 to 75 pounds; ascend or descend ladders, stairs, scaffolding, ramps, poles; utilize feet and legs or hands and arms; maintain body equilibrium to prevent falling when walking, standing, crouching, or navigating narrow, slippery, or erratically moving surfaces; bend body downward and forward by bending spine and legs; move about on hands and knees or hands and feet; use hands to finger, handle or feel objects; and to reach with hands and arms.

While performing the essential functions of this position the employee is frequently exposed to fumes or airborne particles, toxic or caustic substances, excessive noise, and dampness/humidity, and moving mechanical parts of equipment, tools, and machinery.