The Gretna Police Department Security Division is responsible for providing a safe and secure environment to the employees and visitors to the Jefferson Parish Government Complex. This Complex consists of the office of the Jefferson Parish Council, Parish President, Parish Attorney, Parish District Attorney, Clerk of Court, Accessor, 24th. Judicial Court of Jefferson Parish, 2nd. Parish court and other government entities. The security Division remotely monitors over 40 Jefferson Parish facilities via the internet, accessed CCTV and alarm monitoring.

The Security Division accomplishes its mission by using state-of-the-art detection equipment which includes x-ray screening, metal detectors, CCTV and computer-based access control and alarm monitoring.

The Security Division is commanded by Lieutenant Gerald Lacour. It consists of eight fulltime P.O.S.T. certified police officers, seven part-time P.O.S.T. certified officers and over 20 civilian security officers.