Final answer:
The Terminal Agency Coordinator (TAC) is responsible for managing an agency's use of criminal justice information systems, ensuring compliance with relevant policies, and acting as a liaison between the agency and system operators.
Step-by-step explanation:
A Terminal Agency Coordinator (TAC) is responsible for overseeing and managing the use of the National Crime Information Center (NCIC) and other criminal justice information systems at the agency level. The TAC ensures that the agency's use of these databases complies with federal, state, and local policies, including managing access to the system, providing training for users, and auditing usage to prevent misuse of confidential information. Additionally, the TAC acts as a liaison between the agency and the systems' operators, often the FBI and state criminal justice departments.