Performs building and grounds observations for violators and unauthorized persons, takes corrective actions for minor violations, and coordinates with local law enforcement agencies for more serious violations or prisoner transfers. Responds to requests for assistance from Revenue Division employees regarding unruly customers or security problems. Provides armed security and transportation to Revenue Division employees when transporting money to local banks for deposit, money transfers between divisions, and develops/revises security procedures. Reviews and revises security measures for Revenue Division, recommends revisions regarding security policies or issues, develops and/or reviews plans for implementation and placement of security cameras and access to security video, and monitors security camera activity and video. Conducts internal and criminal investigations of incidents, writes reports, coordinates and serves as lead investigator with local law enforcement on criminal investigations, and may provide testimony in criminal, civil, and administrative hearings concerning investigation findings. Develops and reviews the Revenue Division Emergency Action Plan (EAP) working closely with the EAP Coordinator to ensure compliance with state and local laws, and ensures personnel receive appropriate and up-to-date training for implementation of the EAP. Serves as translator and interpreter for the Spanish speaking Revenue customers in person or via telephone for all Revenue offices and assists in the daily opening and closing of the central Revenue office. Performs other duties as assigned.