The Department of Public Safety shall establish and maintain a central office for the Mississippi Forensics Laboratory and the State Medical Examiner with appropriate facilities and personnel for postmortem medicolegal examinations. District offices, with appropriate facilities and personnel, may also be established and maintained if considered necessary by the department for the proper management of postmortem examinations. The facilities of the central and district offices and their staff services may be available to the medical examiners and designated pathologists in their investigations.